End-user Computer Security/Main content/What to do when you discover your computer has been hacked

60%200px|link=End-user_Computer_Security=𓆉≅ <div STYLE="float:right;margin-right:10px;margin-left:30px"> End-user Computer Security Inexpensive security for    ⦾ individuals ⦾ sole traders ⦾ small businesses </p> </div> <tr style="padding:0px;margin:0px;"> What to do when you discover your computer has been hacked12px|link=Wikipedia:Security_hacker  /  Chapter 9 What to do when you discover your computer has been hacked (chapter 9) <tr style="padding:0px;margin:0px;"> Backing-up12px|link=Wikipedia:Backup files12px|link=Wikipedia:Computer_file Backing-up files (under «What to do when you discover your computer has been hacked») If it is ever discovered that a computer has been hacked, 🛡 i) restarting the computer into some kind of safe-mode with WiFi, Bluetooth, NFC and other things deactivated, might be a secure way to get access to your files so that you can back them up. 🛡 ii) However, likely more secure than this is to run off the same computer, another operating system installation using a physical drive that was never previously used with the computer, or a live DVD/CD, and then access your files through the other OS installation or live DVD/CD so that you can back them up. 🛡 iii) Even more secure, is to take the drive out containing your files, interface with the drive using a completely different computer that is running a live DVD/CD, and then access your files through the live DVD/CD in order to back them up. <tr style="padding:0px;margin:0px;"> When to change digital passwords and keys? When to change digital passwords and keys? (under «What to do when you discover your computer has been hacked») You may be tempted to change such security credentials straight-away after discovering that you have been hacked. However, could it be better to wait until you are sure that your system is secure rather than changing such credentials using an unsecure system? <tr style="padding:0px;margin:0px;"> Further information Further information (under «What to do when you discover your computer has been hacked») The National Cyber Security Centre for the UK (NCSC) outlines steps to be urgently taken when you’ve discovered you’ve been infected with malware. Also, see here for their guide for small businesses on response and recovery from cyberattacks. Navigation in footer 100px|link=End-user_Computer_Security/Main_content/Broad_security_principles|Previous chapter: chapter 8, entitled 'Broad security principles' Chapter 8Broad security principles 15px|link=End-user_Computer_Security/Preliminaries|Go to page for contents, index, and foreword Contents, Index, Foreword true End-user_Computer_Security 🔍 enter search text here 15 Chapter 10Miscellaneous notes 100px|link=End-user_Computer_Security/Main_content/Miscellaneous_notes|Next chapter: chapter 10, entitled 'Miscellaneous notes' Book:End-user Computer Security/Hash-tagged/＃️Software/＃️Malware Book:End-user Computer Security/Hash-tagged/＃Security credentials Book:End-user Computer Security/Hash-tagged/＃Security credentials/＃Passwords Book:End-user Computer Security/Hash-tagged/＃Security credentials/＃digital keys Book:End-user Computer Security/Hash-tagged/＃Tamper, tampering/＃Tamper prevention Book:End-user Computer Security/Hash-tagged/＃Backing up, backups Book:End-user Computer Security/Hash-tagged/＃Digital storage Book:End-user Computer Security/Hash-tagged/＃Physical security Book:End-user Computer Security/Hash-tagged/＃Security induced by specific computer power state Book:End-user Computer Security/Book part/Main content/Chapters/«What to do when you discover your computer has been hacked», chapter 9 Book:End-user Computer Security/Hash-tagged/＃Backing up, backups/＃Backing-up files Book:End-user Computer Security/Hash-tagged/＃Security credentials/＃Changing security credentials Book:End-user Computer Security/Hash-tagged/＃Tamper, tampering/＃Tamper prevention