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For most of us, our phones are the center of our daily lives, and as a result, they contain a treasure trove of personal information, from banking details to messaging and email accounts. This sensitive data can be pretty enticing to a range of the nefarious, from cybercriminals to someone you may even know.
Nov 14, 2019 To recover from a hack, isolate your computer so the hacker can't continue to control it or use it to attack other computers. Do this by physically disconnecting your computer from the internet. If you believe your router may have also been compromised, then you should disconnect your router from your internet modem as well. It is not easy to tell if your computer has been hacked but it is extremely unlikely for any Mac to get hacked because they have the best security of all personal computers in the world. The only likely way to hack your Mac would be if you allowed. Feb 25, 2012 Although everyone should always password protect a Mac to prevent unauthorized use, not everyone does. Sometimes people share general logins, be it with a roommate, sibling, spouse or whoever else. Now, if you have ever wondered if someone was using your computer while you were away, there’s actually a pretty easy method to find out in Mac OS X.
Phone hacking can involve the unknowing download of spyware that relays information on your activity – such as logging keystrokes to scrape passwords; spy apps downloaded by someone with access to your device; or other malware that exploits your phone, for example by using its internet bandwidth in a botnet, as occurred with malware that infected nearly 20 million Android devices.
“The most common way that smartphones can be hacked is to infect the device with malware,” says Victor Chebyshev, a security researcher at Kaspersky Lab. This malware can arrive on the device buried inside apps downloaded by the user – and the likelihood of a malicious app rises when downloading away from the official app stores, which police their content.
While iPhones aren’t immune to hacking, Apple’s strict vetting policy means the incidence of bad apps targeting iPhones (at least non-jailbroken ones) is lower than for Android phones. “Android devices are more susceptible to these kinds of attacks because they have the option to install applications from third parties,” says Chebyshev.
9 steps to figuring out who hacked your phone
A sluggish phone or fast-draining battery are common symptoms of a compromised phone – but they can also indicate your device needs a spring clean to spruce up performance or improve its battery life. Another red flag is if your data usage has gone through the roof – this could indicate a dodgy app is sending data back to its mothership.
“Whether a user can determine who is responsible for a compromised phone depends on what kind of threat was on the device,” says Chebyshev.
According to Verizon’s 2020 Data Breach Investigation, 86% of cyberattacks are motivated by monetary gain – for example, through selling someone’s stolen credentials on the dark web, gaining access to financial accounts, or hacking sensitive data and holding the victim to ransom. In these cases, hackers usually rely on malware that remotely exploits vulnerabilities in apps or operating systems to steal information (or in the case of phishing malware, trick people into inputting their critical data).
However, somebody known to you who wants to monitor your movements – whether that’s a disgruntled ex or suspicious parent – and who has physical access to your device might also be able to install a spy app that acts like malicious software, tracking your location, photos, messages and calls.
To narrow down the field of suspects, you can try to determine exactly how your phone is being compromised.
1. Check your phone bill
Are you being charged for premium-rate texts you never sent – or texts you never signed up for? You’ve probably been infected by malware that forces your phone to send or receive texts that generate revenue for cybercriminals. This common form of mobile malware is believed to be the first type found targeting Android, back in 2010, and today plenty of it is still floating around.
If you’re receiving premium-rate text messages, try texting STOP to the number. If this doesn’t work, you’ll have to contact your cell carrier who should be able to block the number.
If your phone is sending the texts, you may be able to fix it by running a security app such as Bitdefender or McAfee to find and remove malware (on Android only; security apps for iOS don’t have this feature). Also, try deleting any third-party messaging apps and any other apps you installed just before the phone started sending the texts.
2. Go through your apps list
If there are any apps you don’t remember downloading, look them up online to see if any of them have been reviewed negatively for malware or other suspicious activity. In this case, the apps will have been compromised by a hacker who likely isn’t targeting you personally but is distributing malware with the aim of scraping as much data as possible. The BankBot malware, for instance, is a trojan that has infected hundreds of Android apps to display a phishing screen to steal users’ banking credentials.
“If it was a regular trojan [malware coded within another app] the user will not be able to attribute who was responsible for the attack,” says Chebyshev. “If it was commercial spyware, it’s sometimes possible to figure out the responsible person.”
3. Look up your flashlight and battery-saver apps
Got a phone full of apps and can’t remember for sure which you downloaded? Some categories of apps have attracted more than their fair share of malicious actors – several flashlight apps on Google Play were infected with malware that tried to scrape users’ financial info, while one should be wary of battery-saver apps as they have often been used for malware, says Josh Galindo, director of training at phone repair service uBreakiFix.
If you have these types of apps, check online for any negative reviews. You can also try deleting them to see if this affects your phone performance. “If you install an app and the device performance decreases, that’s an indicator,” says Galindo. “If you uninstall the app and your device begins working properly again, this means that the app is likely contaminated with malware and you should avoid downloading it in the future.”
4. Double-check your favorite popular games
Downloaded a new super-popular game recently? Ensure it operates like it’s meant to – and validate that by looking up reviews online – otherwise it may be a scam version, potentially ridden with cryptojacking malware.
Cryptojacking trojans mine cryptocurrency unbeknownst to users, and their prevalence has risen on smartphones that when infected in thousands, can deliver attackers a high overall processing power. The idea is that, if a cryptojacker hacks other devices, they can get paid for mining without having to use their own resources (or pay the electricity bill).
On mobile, cryptojacking malware tends to hide inside innocent-looking apps such as fake versions of popular games. If your phone slows down, heats up and its battery is dying long before the end of the day – and you’ve tried to improve your battery life– it could be a sign that a malicious app like a cryptojacking trojan is hogging all the juice.
They’re mostly prevalent on Android – and if you’ve downloaded from non-official app marketplaces, the risk is higher.
5. Scroll through your call list
Done all of the above and still convinced that someone somewhere has your personal data, siphoned from your smartphone? Apps aren’t the only way a phone can be infected by malware. Have you picked up any random calls lately? “Callers offering a free cruise or claiming that you won a sweepstakes are likely scam efforts to hack your information or record your voice,” says Galindo.
6. Did you click that link?
If you recently clicked on a link on a text message or an unexpected pop-up, you may have inadvertently fallen prey to phishing. Phishing often preys on panic or high emotion – as in the coronavirus-related scam texts claiming that receivers had been exposed to someone with COVID-19 symptoms, and exhorting them to click for more information.
It’s often impossible to divine who is behind such scams, although you can report any phishing texts to your cell carrier and block these numbers.
7. Consider the last time you used public WiFi
According to Kaspersky Lab, one in four hotspots are unsecured, and even the ones that are password-protected could potentially be set up by someone with malicious intent. On top of that, the protocol (WPA2 or WPA3) that encrypts traffic between devices and routers can itself be vulnerable – as in the serious WPA2 flaw uncovered by researchers in 2017 that would have allowed certain traffic to be intercepted.
If your phone isn’t protected by a VPN and you logged into an unsecured public WiFi hotspot, it’s possible someone could have been spying on the connection – and scraped your sensitive information if you logged into your email or bought something online.
![Did Someone Hack My Mac Did Someone Hack My Mac](https://i.ytimg.com/vi/D4GQgDssRWY/maxresdefault.jpg)
8. Is your iCloud safe?
iPhone user? A cracked iCloud login can allow someone to not only access your photos, but also make use of semi-legal spy software to remotely monitor your device’s calls, messages, contacts and location.
Luckily, enabling two-factor authentication for your Apple ID drastically reduces this risk, because if someone tries to sign into your account from a new device, you’ll receive an approval request and sign-in code on your iPhone (or other iOS/Mac devices linked to your Apple ID).
(To enable two-factor authentication, for iOS 10.3 and newer: Settings > [your name] > Password & Security. For iOS 10.2 or older: Settings > iCloud > Apple ID > Password & Security.)
However, a weak or reused password without two-factor authentication can put your account – and phone – at risk.
Here’s how it works: Many people use the same email address in their Apple ID as the login for dozens of online accounts. If this email address is revealed in a data breach, then hackers – who may purchase or find these login details at data dump websites – have access to your Apple ID.
Couple that with a weak password and your iCloud account can be breached by attackers who use cracking software to guess hundreds of hacked or common passwords in order to breach accounts.
Unfortunately, the same goes for an email and password combo that can be guessed or found out by someone you know who’d want to spy on you – especially if they can access your iPhone to use the two-factor code.
9. Run a security scan
Since most malware is designed to evade detection, you may not discover much on your own. Spyware apps – or stalkerware – is one category of particularly insidious apps designed purely to monitor a victim’s activity (rather than for any financial gain).
Security apps, particularly for Android, can help determine if your phone contains such a malicious app, as well as help fend off future cyber attacks by, for example, preventing you from visiting malicious webpages.
Android: Commercial spyware is unfortunately all too easy to find online. Such spy apps have system-level access to extremely detailed information about your device activity such as the messages you write, photos you take and GPS location – and what’s more, these apps are hidden from view.
They also need to be downloaded physically to your device, which means if they’re on your device it was done by someone with access to your device (and your PIN). Chances are, you can figure who in your life would want to monitor your phone.
To find out if you have such apps on your Android phone, download a security app such as Bitdefender or McAfee, which will flag any malicious programs. You can also head to Settings > Security > Device administration and check if “Unknown sources” for app installations is enabled (and you didn’t do it) – this allows apps from non-official app stores, on which there’s likely to be far more stalkerware.
iPhone: Spy apps on a non-jailbroken iPhone are far less prevalent since such software – which tampers with system-level functions - doesn’t make it onto the App Store. (However, they do exist and work via someone knowing your iCloud login and password.)
If your iPhone is jailbroken, that opens it up to potentially malicious apps that haven’t been vetted by the App Store, including spy apps downloaded without your knowledge.
Security apps such as Lookout and Sophos will alert you if your iPhone has been jailbroken – so if you’re alerted of this but haven’t done it yourself, that can be a red flag.
However, whether security software – for Android or iOS – can find spy apps will depend on how sophisticated or new the spy app is since security software scans for malware that’s already known. (That’s why it’s crucial to download updates to security software as soon as available since updates will incorporate new instances of discovered malware.)
3 steps to take if your phone has been hacked
1. Delete any apps or messages that may be malicious
If deleting them fixes any performance issues, great. Even if not, it’s a good idea to clear your device of apps that may have been flagged from that security scan.
You can also try shutting down apps one by one, as soon as your phone starts to slow down or heat up. If shutting down a particular app seems to return things to normal, that app may be malicious – or at the very least, not play too well with your device.
2. Do a factory reset
If after deleting the suspicious app(s) your phone is still behaving strangely, this nuclear option is a quick way of clearing your device of malicious – or sluggish – software left behind.
Android: Settings > System > (Advanced) > Reset options > Erase all data
iPhone: Settings > General > Reset > Erase All Content and Settings
3. Check if your information is out there
Unfortunately, many hacks and malware present few to no symptoms and often the only time people are aware of a breach is when their digital services are hacked, or, worse, they’re the victims of identity fraud, where hackers have used their stolen information to open accounts or lines of credit.
There are a few tools you can use to check if any of your information has already been compromised. Have I Been Pwned? is a website run by security developer and Microsoft Regional Director Troy Hunt that checks if email addresses have been exposed in breaches of popular apps and services.
Security apps including Bitdefender (Android) and Lookout (iOS) can also alert you if apps and services you use have been breached, putting your personal information at risk.
Depending on the scale of the data that has been exposed, you may want to set up a fraud alert at the major credit agencies, which will require any potential creditors to request additional verification of your identity.
Keeping your smartphone safe
If you find that your logins – particularly passwords – are floating around online, the first thing to do is to change your passwords. The best way to do that is to use a password manager which can automatically generate and save complex, unique passwords for each of your accounts. Check out our top-rated picks here. We like the Dashlane password manager, whose Premium version (from $4.99/month) also scans the Dark Web for instances of your emails or logins being posted for sale.
And to reduce the risk of future phone hacks, always observe general cybersecurity hygiene:
- Think twice before clicking links in SMSes, other messages and emails
- Review app permissions to minimize the risk of a malicious app download.
- Enable two-factor authentication for every online account possible – and especially primary emails and logins like your Apple ID.
- Download security updates for your phone when available to patch vulnerabilities that could otherwise be exploited.
- Protect your device with a PIN or biometric authentication.
Updated on 6/16/2020 with new tips and recommendations
[Image credit: phone hacker concept via BigStockPhoto]
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Every day we see news about computers being hacked and how the cybercriminals make money off people clueless about the protection of their assets.
For someone not very technical, it may sound as if hackers are so powerful, and the only way to hide is to shut down all devices and go off the grid completely.
However, the truth is that there are several simple things one can do to make sure that we are reasonably safe when browsing the internet without affecting our ability to access the information we need.
Whether or not someone can hack into the computer or phone through WiFi depends on a person’s proximity to the WiFi router. If a cybercriminal in the range of access to the WiFi router, they can connect to the local network and perform various attacks, such as Man In The Middle attack.
If the hacker is outside of the WiFi range, then the way they attack will be different.
Let’s consider various scenarios of how the computer can be hacked and ways to protect your devices.
Hacking Computer Through Local WiFi
As you probably guessed, it is much easier to hack the computer, which is in close proximity to the hacker’s device.
For instance, your neighbor can connect to your WiFi and use your internet for free. Or you may connect to the free WiFi in the cafe or hotel, but someone already hacked the network, and now everyone, including you, is a potential target.
![Did Did](https://www.komando.com/wp-content/uploads/2018/11/Twitter-Apple-ID.png)
Or maybe you are using the office WiFi, and it was also hacked.
And it doesn’t have to be a computer, such as a Mac or PC. Your smartphone, iPhone, or Android, which uses the WiFi can be hacked as well.
Let’s see what hackers can do if they are physically connected to the WiFi you are using.
Man in the middle attack
If you have the internet at home from a cable, DSL, or fiber-optic provider, you have a router. Your computer does not directly connect to the internet; it sends and receives data by directing it through the router.
In layman terms, the process is the following:
- Your computer or phone finds a WiFi router.
- After submitting the correct password, the router sends back its MAC address. MAC address is an identifier of computer components, and in theory, it should be unique across billions of devices on the planet. The network card on your computer also has a unique MAC address.
- After you get the MAC address of the router, all internet activity will be going through the router. In the pic below, there is a MAC address next to each device on the local network, and the router’s address is 11:22:33:44:55:66.
When a hacker connects to the local WiFi router, it also finds the MAC address of the router. The hacker changes his computer’s MAC address to be the same as routers one (11:22:33:44:55:66 in the pic below).
Now, all devices on the local network connect to the hacker’s machine, and then the data flows to and from the router. So the hacker becomes a man in the middle (MITM).
Once this happened, the hacker can read all outgoing requests and incoming data using various tools that collect such data.
This means every time you enter a username and password on some web site or enter your credit card number, and it gets saved on the hacker’s machine. Also, every URL you are visiting also gets saved.
There are some limitations, obviously. For instance, if the website uses the HTTPS protocol (S at the end stands for Secure), all traffic is encrypted between your computer and cybercriminals will not be able to crack it (in most cases).
However, if the web site uses HTTP, all data, including the password, is in cleartext.
So, if you want to avoid your data being stolen, always check that web site is using a secure protocol (HTTPS). In the browsers, the secure protocol is usually displayed with a padlock icon next to the URL.
Never enter passwords or financial information on web sites with HTTP!
How the router can be hacked
When it comes to your home WiFi, there are three ways for someone outside to connect to the router:
- The router is not password protected
- You tell the password. For instance, you told the guest the password, or she looked it up on the router (if you didn’t change the default one)
- If the router is using an old authentication protocol
I am going to skip the first two and instead of focus on the last one. The authentication protocol used in with WiFi router is very important.
If your router is old, it is possible that it’s still using WEP protocol, then you should know that anyone who knows a little bit about hacking can hack the router literally in less than a minute.
So, if you have it enabled on your router, then go ahead and disable as I did.
What you should have is WPA2 with AES encryption. In the pic below, the authentication strength (protection from hacking) increases from top to bottom (WPA is less secure, and WPA2-PSK with AES is the most secure).
Some hackers employ a dictionary attack to crack WPA protocol, but it takes supercomputers to hack it. So as long as you are not a celebrity or a billionaire, nobody will spend so many resources to break into your network.
Usually, you can connect to the home router settings by going to the local IP address, such as http://192.168.0.1/.
How to tell if someone hacked your router
Hack whatsapp account using mac address. One of the sure routers hacked signs is the existence of an unknown device connected to the local WiFi network.
As I explained above, in order to perform a man in the middle (MITM) attack, the hacker must connect to the WiFI network first. And if he’s connected, you can see him too.
One way to find out the connected devices is through the router settings. Some routers allow us to see all connected devices and kick them out if needed.
Another way is to use a network scanner app. For instance, I found a cool app called Fing. The app is available for almost all platforms: iOS, Android, macOS, and Windows.
It is free (with ads) and doesn’t even require creating an account in order to use it.
One cool feature they have is scanning for open ports.
For instance, when I scanned my MacBook Pro, I found that remote desktop and screen sharing features were enabled, and anyone could connect to my Mac remotely.
How to protect from a MITM attack
While it is possible to scan and find unknown devices on the home network, this approach will not work with public WiFi networks, such as the one in Starbucks or the hotel.
You would never know if the public network was compromised. In this case, the only way to protect your privacy is to use a VPN (a virtual private network).
When connected to VPN, your computer or phone creates a secure encrypted channel with the VPN server. After the connection is established, all requests go to the VPN server. The server makes all requests on your behalf and returns the results back to you.
From outside, it looks like the computer is sending some garbage to and back to the same computer. Even if the hacker collecting the information, he won’t be able to tell whether you’re connecting to Google.com or MacMyths.com.
When choosing a VPN software, follow these best practices:
- Do not use a free VPN. They have significant limitations, and you know that good things are never free.
- Test for speed. Some VPS are significantly faster than others.
- Check the provider’s reputation. Since all requests now go through the VPN, technically, the VPN server becomes a man in the middle. So choose only reputable providers.
Personally, I am using NordVPN: it’s the fastest on the market and very inexpensive. It is available for multiple platforms: macOS, Windows, Linux, iOS, and Android.
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If you use my NordVPN affiliate link you get a pretty steep discount for three-year plan for up to 6 devices.
Hacking Computer Remotely
We discussed ways to hack the computers and phones through local WiFi, but I know the question that most people ask is whether hackers can connect to the home network when they are on the other end of the world (or more than a hundred yards or meters away).
Fortunately, the answer is no, someone cannot get into your home network, even if they know the password if they are outside of the range (more than 300 feet).
Also, in most cases, hackers cannot get into your computer is off (link).
However, there are other ways to get into your system remotely. Do you remember a story of Bezos’s personal data being leaked?
In his case, he received a message on WhatsApp with malware attachment. When the malware was installed on his phone, it started sending the personal data to the server abroad.
Similarly, we are all at the risk of having malware installed on our computers and smartphones. Some malware open access to the device, so the hackers can access it remotely.
Can Someone Hack My Mac
Or, the malware could be a keylogger, and in this case, even having HTTPS or a VPN will not help. A keylogger will record the keys pressed on the keyboard, and if it happens to be a credit card number, then the hacker will have it.
So, how to protect the devices from malware? You need to install an antivirus program.
There is a common myth that Macs cannot have viruses, but this is not true. I was able to inject my Mac with more than 100 malware samples when testing various antimalware solution.
You can check the results of my test and recommended antiviruses in my post: Best Malware Detection App for Mac.
Every time my friends and family ask me for a recommended antivirus, I go with Norton 360. It comes with the biggest bang for the buck and provides antimalware and other security features on all platforms. And it also has its own VPN!
Conclusion
We reviewed multiple ways how someone can hack into your phone or computer through WiFi. I also listed ways to prevent this from happening, which I wanted to reiterate.
If you worry about online security, consider investing in the following tools:
- VPN software
- Antivirus program
Be very cautious when connecting to public WiFi. I’d say if you don’t have VPN installed on a laptop or smartphone don’t use public WiFi, or at least avoid making purchases with a credit card or entering passwords.
Did Someone Hack My Mac
If you are interested in the topic of security, there is a great course available on Udemy about ethical hacking. The instructor teaches how to hack computers ethically and most importantly what can you do to prevent from being targeted:
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Learn Network Hacking From Scratch (WiFi & Wired)Did Someone Hack My Macbook Pro
Also, check my other post:
Photo credit: ©canva.com/cyano66
Did Someone Hack My Mac Password
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