What are common signs of a cyber attack?

1. Unusual System Behavior

• Description: Sudden and unexplained changes in the way your system behaves.


• Examples: Slow performance, frequent crashes, or unexpected reboots.

2. Unauthorized Access Attempts

• Description: Unrecognized login attempts or access from unfamiliar locations.


• Examples: Multiple failed login attempts, logins from unknown IP addresses, or logins at unusual times.

3. Unusual Network Activity

• Description: Unexpected spikes in network traffic or unusual patterns of data transmission.


• Examples: Large amounts of outgoing traffic, especially to unknown external servers.

4. Unexpected Software Installations

• Description: New programs or applications installed without your knowledge.


• Examples: Detection of unknown software in the installed programs list or on the desktop.

5. Pop-up Messages or Ads

• Description: Frequent pop-ups or ads, especially if they appear on websites that do not usually display ads.


• Examples: Persistent pop-ups, warning messages about infections, or prompts to install software.

6. Changes in File Names or Locations

• Description: Files being moved, renamed, or encrypted without your intervention.


• Examples: Files disappearing, new unknown files appearing, or file extensions changing.

7. Unusual Account Activity

• Description: Unauthorized actions performed under your account.


• Examples: Emails sent from your account without your knowledge, social media posts you did not create, or changes to account settings.

8. Disabled Security Software

• Description: Your antivirus, firewall, or other security software being disabled without your consent.


• Examples: Inability to open or update your security software, or receiving notifications that it has been turned off.

9. Ransom Messages

• Description: Messages demanding payment in exchange for restoring access to your data.


• Examples: Ransom notes displayed on your screen, or text files left on your system demanding payment.

10. Unusual Activity on Financial Accounts

• Description: Unauthorized transactions or changes in your financial accounts.


• Examples: Unrecognized charges on credit cards, bank account withdrawals, or changes to account information.

11. Frequent Disconnections

• Description: Your internet connection dropping frequently and without explanation.


• Examples: Regular disconnections, especially when performing specific tasks online.

12. Redirections to Different Websites

• Description: Being redirected to unexpected websites when clicking on links or entering URLs.


• Examples: Browser settings being changed, search engine results being redirected, or unusual toolbars appearing.

13. Unusual CPU or Disk Usage

• Description: Your computer's CPU or disk usage spiking without any apparent reason.


• Examples: System fans running loudly, or the task manager showing high usage for unknown processes.

Steps to Take if You Suspect a Cyber Attack

• Disconnect from the Internet: Immediately disconnect your device from the internet to prevent further data loss or malware communication.


• Run Security Software: Use your antivirus or anti-malware software to scan your system and remove any detected threats.


• Change Passwords: Change passwords for all accounts, especially those that may have been compromised, using a different device if possible.


• Check Financial Accounts: Review your bank and credit card statements for unauthorized transactions and notify your financial institution if you find any suspicious activity.


• Update Software: Ensure your operating system, applications, and security software are up to date with the latest patches and updates.


• Seek Professional Help: If you are unable to resolve the issue, consider contacting a cybersecurity professional or service for assistance.


• Report the Incident: Report the suspected cyber attack to the appropriate authorities, such as your local law enforcement or a cybersecurity incident response team.