How to Tell If Your Phone Has Been Hacked (And What to Do About It)

Smartphones have become an essential part of our lives, storing everything from personal messages to banking details. But what if your phone has been hacked? Many people don’t realize it until it’s too late. In this blog, we’ll go over the warning signs of a hacked phone, how hackers get access, and what you can do to fix and prevent it.

ETHICAL HACKING & CYBER SECURITY

3/28/20253 min read

person holding silver iPhone 6 with black case
person holding silver iPhone 6 with black case

Signs That Your Phone Has Been Hacked

1. Your Battery Drains Faster Than Usual

If your battery suddenly drains much faster than before, it could be because malware or spyware is running in the background, using up resources.

2. Your Phone Is Slower or Overheats

If your phone starts lagging, freezing, or overheating even when you’re not using heavy apps, it might be infected with malicious software.

3. You Notice Strange Apps You Didn’t Install

Hackers sometimes install apps to spy on you. If you see an unknown app on your phone, it could be a sign of an attack.

4. Your Data Usage Suddenly Spikes

Malware on your phone can send stolen data to hackers, increasing your internet usage. If you see an unusual spike in your data consumption, it might indicate an issue.

5. You Get Strange Pop-ups or Ads

If you’re suddenly bombarded with ads, pop-ups, or redirected to shady websites, your phone might be infected with adware.

6. Your Calls and Texts Are Being Sent Without You Knowing

If your contacts receive messages, calls, or links from you that you didn’t send, it’s a major red flag that your phone has been compromised.

7. Your Phone’s Settings Change on Their Own

If your phone’s settings, like Wi-Fi, Bluetooth, or background apps, change without your input, it could be due to a hacker gaining control.

8. You Can’t Access Some Accounts or Receive Security Codes

If you’re locked out of your accounts or stop receiving SMS-based 2FA codes, someone might have taken control of your phone or number.

How Hackers Gain Access to Your Phone

1. Phishing Attacks

Hackers trick users into clicking malicious links via emails, texts, or fake websites to steal passwords and install malware.

2. Malicious Apps

Some apps available outside the Play Store or App Store contain hidden spyware that tracks your activity.

3. Public Wi-Fi Attacks

Hackers can intercept data on unsecured public Wi-Fi and steal your login credentials.

4. SIM Swapping

Attackers trick your mobile provider into transferring your number to their SIM card, allowing them to take over your accounts.

5. Bluetooth Exploits

If Bluetooth is always on, hackers can use vulnerabilities to access your device.

6. Fake Charging Stations ("Juice Jacking")

Public USB charging stations can be rigged to install malware on your phone.

What to Do If Your Phone Has Been Hacked

1. Remove Suspicious Apps

Go to Settings → Apps and uninstall any app you don’t recognize.

2. Scan for Malware

Use a trusted security app like Malwarebytes, Kaspersky, or Bitdefender to scan for threats.

3. Change Your Passwords Immediately

Update passwords for all accounts, especially banking and email. Enable two-factor authentication (2FA).

4. Check for Unusual Permissions

Review app permissions in Settings → Privacy → Permissions and remove any unnecessary access.

5. Reset Your Phone (If the issue persists)

If your phone is still acting suspiciously, do a factory reset. Backup your data first!

How to Prevent Your Phone from Getting Hacked

Keep Your OS and Apps Updated

– Install updates regularly to patch security holes.


Download Apps Only from Official Stores

– Avoid third-party app stores that may host malware.


Use a Strong Lock Screen Password

– Use biometrics or a strong PIN instead of “1234” or “0000.”


Turn Off Bluetooth and Wi-Fi When Not in Use

– This prevents unauthorized access.


Avoid Clicking on Unknown Links

– Always verify links in emails, messages, or social media.


Use a VPN on Public Wi-Fi

– Protect your data from hackers on open networks.


Disable Auto-Download for Messages

– Prevent malicious files from being downloaded automatically.


Monitor Your Phone Bill and Bank Statements

– Look for unauthorized transactions.

Final Thoughts

Your phone is your gateway to your personal and financial life. Staying alert and taking proactive security measures can save you from serious cyber threats. If you ever suspect your phone has been hacked, act fast to minimize damage!

Stay safe and stay secure.

woman in white shirt using smartphone
woman in white shirt using smartphone