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Repelling the Wily Hacker Computer and Network - PowerPoint PPT Presentation


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Computer and Network Security Basics at Home, at Work, on the Road Harry Bulbrook Resident “White Hat” Hacker. Repelling the Wily Hacker. Improving Security. What are the trouble spots? Definitions and Vulnerabilities Reduce your exposure Protective actions and software. Definitions.

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Computer and Network

Security Basics

at Home, at Work, on the Road

Harry Bulbrook

Resident “White Hat” Hacker

Repelling the Wily Hacker


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Improving Security

  • What are the trouble spots?

    • Definitions and Vulnerabilities

  • Reduce your exposure

    • Protective actions and software


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Definitions

  • Delivery Mechanisms

    • Viruses, Worms, Trojan Horses

    • Mail attachments, Web Browsing scripts

  • Payloads and Results – Malware

    • Affecting your computer – Benign / Destructive

      • Spyware, DNS redirection

      • Delete, Modify, Encrypt files – Blackmail?

      • Disable other protections (Ironically help you)

    • Affecting other computers

      • SpamBots

      • DDoS zombies


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Vulnerabilities &Protection

  • Incoming attacks from Network

    • Running Services

    • Unknown Networks – Wi-fi issues

  • Personal or Network Firewall (built-in)

  • Email attachments

    • .exe, .scr, .zip

  • Virus Scanner (Commandcom, AVG)

  • Web Browsing

    • Scripting (JavaScript, ActiveX, Plug-ins)

  • Browser Extensions, High Security Browsing


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    Verification and Recovery

    • Scanners

      • Virus – AVG, Avast, Clamwin

      • Spyware/Adware – SpyBot, AdAware, Defender

      • Rootkit – Fsecure, RootkitRevealer

    • Firewalls

      • Windows, ZoneAlarm

    • Thoughts on McAfee, Norton, Windows Live

    • Thpppbt



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    Freeware Links and Information

    • Antivirus

      • Clamwin (portable) - http://portableapps.com/apps/utilities/clamwin_portable

      • AVG - http://free.grisoft.com/freeweb.php/doc/2/

      • Avast - http://www.free-av.com/antivirclassic/index.html

    • AntiSpyware - http://www.grc.com/sn/notes-007.htm

      • SpywareBlaster - http://www.javacoolsoftware.com/spywareblaster.html

      • Windows Defender - http://www.microsoft.com/athome/security/spyware/software/default.mspx

      • AdAware - http://www.lavasoftusa.com/software/adaware/

      • SpyBot S&D - http://www.safer-networking.org/en/index.html

    • Firewall

      • ZoneAlarm - http://dl2.zonelabs.com/bin/free/1001_cnet_zdnet/zlsSetup_70_302_000_en.exe

      • Dshield - http://www.dshield.org/indexd.html

    • Web Browser

      • Firefox Browser – http://www.mozilla.com/en-US/firefox/

      • AdBlock - https://addons.mozilla.org/firefox/1865/

      • NoScript Extension - https://addons.mozilla.org/firefox/722/

      • Internet Explorer 7 - http://www.microsoft.com/athome/security/online/ie7.mspx


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