Hacking, List of actions after your laptop has been hacked
Some of these actions deal with the present problem; Others also help secure your system for the *future.
Disconnect from the internet: Turn off your Wi-Fi and unplug your network cable. This quarantines your PC
Remove external devices: to prevent further spread.
Run a full system scan antivirus scan: Use a reputable antivirus or antimalware program to scan for and remove any malicious code
*Change your passwords: Reset all passwords for any accounts you accessed from your laptop
Update your software: Keep your operating system and antivirus software up to date
*Monitor your accounts: Watch for unauthorized transactions in your financial statements
Report the incident: Action Fraud Call 0300 1234 2040; https://www.actionfraud.police.uk/
Consider reinstalling your operating system: If your antivirus program can’t clean your device, you may need to reinstall your operating system
*Enable multi-factor authentication: Use something you have, like a mobile device, or something you are, like a fingerprint scanner, in addition to your password
*Enable a firewall: to monitor incoming and outgoing network traffic
You should already automatically have Windows Defender Firewall installed
Find it in Control Panel\System and Security\Windows Defender Firewall
Portable hard drives: Save important files on portable hard drives
*Encrypt your data: with passwords
Hard drive: Only if necessary, backup and wipe your hard drive
Contacts: Notify your contacts.