How to know if your phone has been hacked

Cybercriminals are using advanced tactics to steal sensitive information from smartphones. Users must remain vigilant for signs of a hack, such as rapid battery drain or unexpected app behavior. Prompt action is crucial, including changing passwords and removing suspicious applications. Protecting personal data on mobile devices is paramount in today's digital landscape.
How to know if your phone has been hacked
Cybercriminals are using increasingly sophisticated methods to steal personal data from smartphones, including bank details and passwords. While smartphone operating system makers constantly update their software and check apps to prevent spyware, hackers continue to find ways to compromise devices. Here's how to determine if your phone has been hacked and what to do about it.

How phones can get hacked

Cybercriminals use various techniques to take control of or steal information from phones. All phone types, whether iPhone or Android, are vulnerable. Common phone hacking techniques include tricking users into clicking malicious links or downloading software from fake app stores through social engineering, often using phishing emails.
The WhatsApp Scam That Gives Hackers Your Phone!
Meanwhile, fake public wifi networks can also deceive unsuspecting users. SIM swap attacks involve an attacker convincing a mobile provider to transfer a victim's SIM card to a device under their control. Infected USB cables or charger cables can also provide access. Once an attacker gains entry, user data can be exposed, particularly when passwords have been reused across accounts.

Signs that your phone has been hacked

Several signs may indicate a phone has been hacked, though they don't necessarily appear in every case and can be easy to miss. The key is looking for unusual behaviour from your phone.
  • Battery drain: A fast-draining battery is a common symptom of a hacked phone. This can also cause the phone to overheat. A sudden, noticeable difference in battery performance may indicate a problem.
  • High phone bills: If you use a postpaid account, higher-than-usual bills can signal a phone hack, as the device carries out unauthorised activities.
  • Unexpected app behaviour: New apps may appear unexpectedly on a hacked phone. Existing apps may take longer to load, and apps may open or close on their own. Watch for suspicious behaviour.
  • Changed notifications and settings: Unexpected notifications, unrequested two-factor authentication codes, or pop-ups may start appearing. Settings such as camera or microphone permissions may change without user input.
  • Account lockouts: Being unexpectedly locked out of your Apple ID, Google account, or other online accounts is a major red flag.

What to do if your phone is hacked

If you suspect your phone has been hacked, take immediate action:
  • Change passwords for all important accounts, especially banking and email.
  • Contact your mobile provider if you suspect a SIM swap.
  • Remove suspicious apps and run antivirus software.
  • In severe cases, factory reset your phone after backing up important data.

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About the AuthorTOI Tech Desk

The TOI Tech Desk is a dedicated team of journalists committed to delivering the latest and most relevant news from the world of technology to readers of The Times of India. TOI Tech Desk’s news coverage spans a wide spectrum across gadget launches, gadget reviews, trends, in-depth analysis, exclusive reports and breaking stories that impact technology and the digital universe. Be it how-tos or the latest happenings in AI, cybersecurity, personal gadgets, platforms like WhatsApp, Instagram, Facebook and more; TOI Tech Desk brings the news with accuracy and authenticity.

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