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Free Cisa Certification | 2011 Lectures Material | Lecture 1 by omobajesus: 5:04pm On Feb 16, 2011 |
[center]LECTURE 1[/center] [center][size=14pt]PROTECTECTION OF INFORMATION ASSESTS SYSTEM ATTACK METHODS AND TECHNIQUES[/size][/center] (A) MALICIOUS CODE Malicious code, such as VIRUS and WORMS, attacks a system in one of many ways, either internally or externally. Traditionally, the VIRUS is an INTERNAL THREAT, while the WORM, to a large extent, is a threat from EXTERNAL SOURCE. Virus and Worms are related classes of malicious code, they are HOSTILE SOFTWARE. Both share the PRIMARY OBJECTIVE OF REPLICATION. They are different with respect to the techniques they use and their host system requirement. HOSTILE SOFTWARE is a software that lies hidden from view until it begins reproducing and wreaking havoc with the software and data. CATEGORIES OF HOSTILE SOFTWARE ARE: Virus, Worm, Bomb and trap door SYMPTOMS OF A VIRUS - These includes: (1) File Size Increase (2) Change in update timestamp (3) Sudden decrease of free space (4) Unusual screen activity etc. Effect of Hostile software can: (1) Damage, Erase, Hide or Copy Application Software or Data files (2) Disrupt processing by consuming computing time and disk space (3) Take over a computer or screen display unexpectedly and display message that delay the user or cause needless worry. TO READ MORE CLICK ON: http://www.naijaskill.com/naijaskii_cisa_malicioucodes.html |
Re: Free Cisa Certification | 2011 Lectures Material | Lecture 1 by acolyte(f): 11:31pm On Dec 27, 2011 |
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Re: Free Cisa Certification | 2011 Lectures Material | Lecture 1 by osikhueme(f): 11:52am On Feb 14, 2012 |
Please I need cisa review questions |
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