Cybersecurity expert warns one simple clue could mean your phone has been hacked
Published on Mar 04, 2026 at 10:08 AM (UTC-5)
by Daisy Edwards
Last updated on Mar 04, 2026 at 12:15 PM (UTC-5)
Edited by
Amelia Jean Hershman-Jones

A cybersecurity expert has warned that one simple clue could mean your phone has been hacked – and it’s something most of us notice every day.
Smartphones have become the center of our lives, storing everything from bank apps to private messages.
That means the idea of someone secretly accessing them is more than a little unsettling.
But according to one security expert, there’s a surprisingly simple sign that could reveal something suspicious is going on.
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One simple clue could mean your phone has been hacked
According to cybersecurity expert Akash Mahajan, one of the biggest warning signs your gadgets could be compromised is sudden and unexplained battery drain.
Most people assume their battery is just getting old or that they’ve been using their phone more than usual.
But in some cases, a rapidly draining battery can be a sign that malicious software is running quietly in the background.
Hackers often install malware that continues working even when you’re not actively using your phone.

This software can send your personal data to remote servers, track your activity, or run hidden processes that eat up your phone’s power.
Because these tasks run constantly behind the scenes, they can cause your battery to drop far quicker than normal.
If your device suddenly starts losing charge much faster than usual without any clear reason, it might be worth investigating further.
Cybercrime affecting smartphones is also far from rare.
Millions of people have been impacted by digital attacks in recent years, and mobile devices are increasingly becoming a target.

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What to do if your smartphone has been hacked
If you suspect your phone might be compromised, there are a few quick steps experts recommend taking immediately.
The first thing to do is disconnect your phone from the internet, turning on airplane mode and disabling Wi-Fi and Bluetooth can stop hackers from continuing to communicate with the device.
Next, run a security scan using a trusted mobile security app from the official app store.
These tools can detect suspicious software and help remove potential threats.

It’s also a good idea to change important passwords such as email, banking, and social media accounts, ideally from a different device you know is secure.
Enabling multi-factor authentication can add another layer of protection.
Finally, make sure your phone’s operating system and apps are fully updated, remove anything you don’t recognize, and review app permissions carefully.
Taking these steps quickly can help stop a potential hack before it causes serious damage.
Daisy is a technology and automotive journalist covering artificial intelligence, consumer tech, Apple news, cryptocurrency, emerging technologies, and transportation innovation. Since joining the team in 2025, she has reported on everything from AI-powered startups and major iOS updates to viral car stories and the latest developments shaping transportation and the digital economy. Drawing on her background in automotive journalism and a degree in History and Journalism from Goldsmiths, University of London, Daisy specializes in breaking down complex topics into clear, engaging reporting for a global audience. Her work spans cutting-edge technology, innovative vehicles, and the people driving change across both industries. Daisy has gained first-hand access to some of the world's most talked-about technologies and innovators, including meeting Tesla's Optimus humanoid robot during its first European appearance in London. She has also discussed the future of space exploration with an astronaut, bringing unique insights and real-world perspectives to her coverage of emerging technology.