Flashcards
2.4
Flashcards do conjunto (15)
- 1RansomwareThe bad guys want your money • They’ll take your computer in the meantime
- 2TrojanUsed by the Greeks to capture • Troy from the Trojans - A digital wooden horse • Software that pretends to be something else • So it can conquer your computer • Doesn’t really care much about replicating • Circumvents your existing security • Anti-virus may catch it when it runs • The better trojans are built to avoid and disable AV • Once it’s inside it has free reign • And it may open the gates for other programs
- 3KeyloggerYour keystrokes contain valuable information • Web site login URLs, passwords, email messages • Save all of your input • Send it to the bad guys • Circumvents encryption protections • Your keystrokes are in the clear • Other data logging • Clipboard logging, screen logging, instant messaging, search engine queries search engine question
- 4RootkitOriginally a Unix technique • The “root” in rootkit • Modifies core system files - Part of the kernel • Can be invisible to the operating system • Won’t see it in Task Manager • Also invisible to traditional anti-virus utilities • If you can’t see it, you can’t stop it
- 5VirusMalware that can reproduce itself • With your assistance • It needs you to execute a program • Reproduces through file systems or the network • Just running a program can spread a virus • May or may not cause problems • Some viruses are invisible, some are annoying • Anti-virus is very common • Thousands of new viruses every week • Is your signature file updated?
- 6BotnetRobot networks • Skynet is self-aware • Once your machine is infected, it becomes a bot • You may not even know • How does it get on your computer? • Trojan Horse (I just saw a funny video of you! Click here.) or you run a program or click an ad you THOUGHT was legit, but... • OS or application vulnerability • A day in the life of a bot • Sit around. Check in with the mother ship. Wait for instructions.
- 7WormMalware that self-replicates • Doesn’t need you to do anything • Uses the network as a transmission medium • Self-propagates and spreads quickly • Worms are pretty bad things • Can take over many
systems very quickly • Firewalls and IDS/IPS can mitigate many worm infestations • Doesn’t help much once the worm gets inside - 8Spyware• Malware that spies on you • Advertising, identity theft, affiliate fraud • Can trick you into installing • Peer to peer, fake security software • Browser monitoring • Capture surfing habits
- 9AntivirusReal-time options • Not just an on-demand scan • Modern anti-malware recognizes malicious activity • Doesn’t require a specific set of signatures
- 10Anti-malwareis a type of program designed to prevent, detect and, remedy malicious software on individual computing devices and IT systems. since computer viruses are a specific type of malware.
- 11Recovery consoleVery powerful • Very dangerous • Last resort • Complete control • Fix your problems before the system starts • Remove malicious software • Requires additional information • Use, copy, rename, or replace operating system files and folders • Enable or disable service or device startup • Repair the file system boot sector or the master boot record (MBR)
- 12Backup/restoreAlways have a backup • This is the best insurance policy ever • Image backup built into Windows • In Windows 8/10 it’s called • Backup and Restore (Windows 7) • This is the only way to be 100% sure that malware has been removed • Seriously. Cleaning isn’t 100%.
- 13End user educationOne on one • Personal training • Posters and signs • High visibility • Message board posting • The real kind • Login message • These become invisible • Intranet page • Always available
- 14Software firewallsMonitor the local computer • Alert on unknown or unauthorized network communication • Prevent malware communication • Downloads after infection • Botnet communication • Use Windows Firewall • At a minimum • Runs by default • Constantly monitoring • Any network connection
- 15DNS configurationExternal/Hosted DNS service • Provides additional security services • Real-time domain blocking • Sites containing malware are not resolvable • Block harmful websites • Phishing sites, parked domains • Secure platforms - Avoid DNS cache poisoning attacks
Informações
- Descrição
- FlashCards sobre 2.4, criado por Digital Lightning Photography em 16-08-2021.
- Criado por
- Digital Lightning Photography
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