How to Know if Your Phone is Hacked: The 5 Warning Signs
By Tibor Moes / Updated: June 2023
How to Know if Your Phone is Hacked?
With the ever-growing reliance on smartphones, the risk of phone hacking has become a hot topic. But do you ever wonder just how vulnerable your phone really is? More importantly, how to know if your phone is hacked?
In this blog post, we’ll dive into the world of phone hacking, warning signs that your phone may be compromised, and steps to take if you find yourself a victim of phone hacking. We’ll also provide tips on how to protect your phone from hackers and their motivation behind these attacks.
Summary
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Be aware of the warning signs that your phone may be hacked, such as unusual pop-ups and ads, unexpected calls and texts, increased data usage, and unknown apps on your device.
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Take quick action to minimize damage if you think your phone is hacked: Remove suspicious apps, install antivirus, perform a factory reset, update passwords, and enable two factor authentication.
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Protect yourself by being mindful of app downloads, using secure WiFi (or a VPN), keep devices & apps up to date, and be aware of malicious attacks like phishing emails.
Don’t become a victim of cybercrime. Protect your devices with the best antivirus software and your privacy with the best VPN service.
Can someone hack your phone?
The unfortunate truth is that phone hacking is a real threat, and hackers are constantly finding new ways to gain access to our precious devices. Android phones, iPhones, and other mobile devices are all vulnerable to various hacking methods, such as downloading malicious apps, falling victim to phishing attacks, or connecting to unsecured public Wi-Fi networks.
Phone hackers have their own motivations, ranging from identity theft to corporate espionage. They can gain access to your online accounts, steal sensitive information, and even take control of your phone’s camera.
Therefore, it is essential to be vigilant about your phone’s security, using security software, and being cautious with the websites and apps you interact with.
What are the signs that your phone is hacked?
Recognizing the warning signs of phone hacking is crucial in identifying any potential threats and taking appropriate action. Some common signs that your phone may be hacked include unusual pop-ups or ads, unexpected texts and calls, increased data usage, unknown apps on your device, and rapid battery drain. These signs could indicate unauthorized access to your online accounts, social media accounts, or even your phone’s camera.
In the following subsections, we will delve into each warning sign in more detail, providing you with a comprehensive understanding of these red flags and how to spot them.
Unusual Pop-ups and Ads
One warning sign of phone hacking is the appearance of unusual pop-ups and ads on your device. These can be a result of browser pop-up scams, which entice you to download malicious apps disguised as a solution to a nonexistent problem.
If you notice an abundance of pop-ups on your screen, especially from unfamiliar sources, this could be an indication that your phone has been hacked.
Unexpected Texts and Calls
Receiving unexpected texts and calls from your mobile device may also signal that your phone is hacked. These can include messages or calls made without your knowledge or consent, which could indicate the presence of malicious software or unauthorized access to your device.
To protect yourself, it is best not to answer calls or texts from numbers you don’t recognize unless you can confirm they are legitimate.
Increased Data Usage
If you notice unusually high data usage on your phone, this could be another sign of phone hacking. Unexpected charges on your phone bill or spikes in data usage may indicate that malicious software or a hacker is consuming your phone’s resources in the background.
Monitoring your data usage and looking for any significant changes can help you identify if your phone has been hacked.
Unknown Apps on Your Device
Discovering unknown apps on your device is another indicator of phone hacking. These apps may have been installed without your knowledge and could compromise your social media accounts or other sensitive information.
If you find any apps that you don’t recognize on your device, it is essential to remove them immediately and run anti-malware software to ensure your device’s security.
Rapid Battery Drain
Lastly, rapid battery drain can also be a sign of phone hacking. If your phone’s battery is draining quickly and unexpectedly, malicious software could be running in the background, consuming your phone’s resources, and causing your battery to deplete faster than usual.
To prevent rapid battery drain, ensure that you only download apps from reliable sources, use secure Wi-Fi networks, and keep your device and apps up to date.
What to do if your phone is hacked?
If you suspect that your phone has been hacked, it is essential to act quickly to minimize the damage and regain control of your device. Some crucial steps to take include removing suspicious apps, installing anti-malware software, performing a factory reset, and updating your passwords and enabling two-factor authentication. It is also a good idea to inform your contacts about the potential breach, as they may have been targeted by hackers through your compromised device.
In the following subsections, we will discuss each step in more detail, providing you with a comprehensive guide on what to do if your phone is hacked.
Remove Suspicious Apps
The first step in addressing a hacked phone is to remove any suspicious apps from your device. This includes apps that you don’t recognize, apps that request excessive permissions, or apps that have been flagged by your security software. To remove these apps, navigate to your phone’s settings and uninstall the app from the “Apps” or “Applications” section.
Additionally, disable the option to allow the installation of apps from unknown sources to prevent future unauthorized app downloads.
Install Anti-Malware Software
After removing suspicious apps, it is crucial to install anti-malware software on your device. This software can help detect and remove any remaining malicious software and protect your phone from future hacking attempts.
Ensure that you keep your anti-malware software up to date to detect the latest threats effectively.
Perform a Factory Reset
In some cases, a factory reset may be necessary to ensure that all traces of malicious software are removed from your device. A factory reset will restore your phone to its original settings, effectively removing any malware that may be present on your device.
To perform a factory reset on an Android phone, navigate to the “Settings” menu, then tap “General management,” followed by “Reset,” “Factory data reset,” and confirm by tapping the “Reset” button.
For iPhones, connect your phone to your computer with a USB cable, launch iTunes, click on the iPhone icon, and select “Restore iPhone,” following the on-screen instructions.
Update Passwords and Enable Two-Factor Authentication
After securing your device, it is essential to update your passwords for all your online accounts and enable two-factor authentication (2FA). Updating your passwords helps ensure that hackers cannot regain access to your accounts with previously compromised login credentials.
Enabling 2FA adds an extra layer of security, as it requires more than just a password to access your account.
How to protect your phone from hackers?
Now that you know the signs of phone hacking and what to do if your phone is hacked, it is crucial to learn how to protect your phone from future hacking attempts. Some essential tips for protecting your phone from hackers include being cautious with app downloads, using secure Wi-Fi networks and VPNs, and regularly updating your device and apps.
In the following subsections, we will discuss each tip in more detail, providing you with practical advice on how to safeguard your phone from hackers.
Be Cautious with App Downloads
To protect your phone from hackers, it is essential to be cautious when downloading apps. Always download apps from official app stores, such as Google Play or Apple’s App Store, and avoid installing apps from third-party sources or unknown websites.
Additionally, be wary of apps that request excessive permissions, as this could indicate a malicious intent.
Use Secure Wi-Fi and VPNs
Another critical measure to protect your phone from hackers is to use secure Wi-Fi networks and VPNs. Public Wi-Fi networks can be easily exploited by hackers, putting your sensitive information at risk.
Using a virtual private network (VPN) while connecting to public Wi-Fi ensures your connection is encrypted and private, making it much harder for hackers to access your device.
Regularly Update Your Device and Apps
Keeping your device and apps up to date is essential for protecting your phone from hackers. Regular updates not only improve the performance and compatibility of your device and apps, but also patch security vulnerabilities that hackers may exploit.
Set up automatic updates for your device and apps to ensure that they are always up to date without any manual intervention.
Phone Hacking Methods and Motivations
Understanding the various phone hacking methods and motivations can help you better protect your phone and identify potential threats. Some common phone hacking methods include phishing attacks, stalkerware and spyware, and vulnerabilities in public Wi-Fi and Bluetooth connections.
In the following subsections, we will delve deeper into each phone hacking method and discuss the motivations behind these attacks.
Phishing Attacks
Phishing attacks are a common method of phone hacking. These attacks involve sending fraudulent emails or text messages that appear to be from a legitimate source, such as a bank or other financial institution, in an attempt to trick the recipient into clicking a malicious link, downloading a dangerous attachment, or providing personal or sensitive information.
The primary motivation behind phishing attacks is to gain access to the victim’s personal information and accounts, which can then be used for identity theft, financial fraud, or other nefarious purposes.
Stalkerware and Spyware
Stalkerware and spyware are malicious programs designed to monitor someone’s activity without their knowledge. These programs can be used to gain access to personal information, such as call logs, contacts, and even camera feeds, for various reasons, including stalking, spying, or corporate espionage.
To protect your device from stalkerware and spyware, it is crucial to be cautious with app downloads, use secure Wi-Fi networks, and keep your device and apps up to date.
Public Wi-Fi and Bluetooth Vulnerabilities
Public Wi-Fi and Bluetooth connections can also be exploited by hackers as a means of gaining access to your device. Connecting to unsecured Wi-Fi networks or pairing your phone with unknown Bluetooth devices can leave your phone vulnerable to hacking attempts.
To protect your phone from these vulnerabilities, always use secure Wi-Fi networks, avoid pairing with unknown Bluetooth devices, and consider using a VPN when connecting to public Wi-Fi networks.
Summary
In conclusion, phone hacking is a real and ever-present threat in our digital world. Recognizing the warning signs of phone hacking, such as unusual pop-ups, unexpected texts and calls, increased data usage, unknown apps, and rapid battery drain, can help you identify potential threats and take appropriate action. If you suspect your phone has been hacked, follow the steps outlined in this blog post, including removing suspicious apps, installing anti-malware software, performing a factory reset, and updating your passwords and enabling two-factor authentication.
By understanding the various phone hacking methods and motivations and taking proactive steps to protect your phone, such as being cautious with app downloads, using secure Wi-Fi networks and VPNs, and regularly updating your device and apps, you can minimize the risk of falling victim to phone hacking and keep your personal information safe and secure.
How to stay safe online:
- Practice Strong Password Hygiene: Use a unique and complex password for each account. A password manager can help generate and store them. In addition, enable two-factor authentication (2FA) whenever available.
- Invest in Your Safety: Buying the best antivirus for Windows 11 is key for your online security. A high-quality antivirus like Norton, McAfee, or Bitdefender will safeguard your PC from various online threats, including malware, ransomware, and spyware.
- Be Wary of Phishing Attempts: Be cautious when receiving suspicious communications that ask for personal information. Legitimate businesses will never ask for sensitive details via email or text. Before clicking on any links, ensure the sender's authenticity.
- Stay Informed. We cover a wide range of cybersecurity topics on our blog. And there are several credible sources offering threat reports and recommendations, such as NIST, CISA, FBI, ENISA, Symantec, Verizon, Cisco, Crowdstrike, and many more.
Happy surfing!
Frequently Asked Questions
Below are the most frequently asked questions.
Can you check to see if your phone is hacked?
You can check to see if your phone is hacked by taking a few simple steps. Start by checking for malicious activity, monitoring your data usage for unexplained spikes, and scaning your device with a security tool. If you notice any suspicious activity, take action immediately to protect your device.
Can you remove a hacker from your phone?
Yes, you can remove a hacker from your phone by doing a factory reset and updating the operating system. However, keep in mind that this will delete all of your files and you will need to start from scratch. It may also be necessary to download software and run a virus scan for malicious software.
What are some common warning signs of phone hacking?
Being vigilant and on the lookout for warning signs such as unexpected texts or calls, unusual pop-ups and ads, increased data usage, unknown apps, and rapid battery drain can help you detect phone hacking early.
Taking the time to check for these signs can help you protect your phone from malicious activity. It’s important to stay aware and take the necessary steps to secure your device.
What should I do if I suspect my phone has been hacked?
If you suspect that your phone has been hacked, it’s important to take action quickly. Start by removing suspicious apps, installing anti-malware software, performing a factory reset, updating your passwords, and enabling two-factor authentication. These steps can help protect your data and keep your phone secure.

Author: Tibor Moes
Founder & Chief Editor at SoftwareLab
Tibor is a Dutch engineer and entrepreneur. He has tested security software since 2014.
Over the years, he has tested most of the best antivirus software for Windows, Mac, Android, and iOS, as well as many VPN providers.
He uses Norton to protect his devices, CyberGhost for his privacy, and Dashlane for his passwords.
This website is hosted on a Digital Ocean server via Cloudways and is built with DIVI on WordPress.
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