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CCSP: Cisco Certified Security Professional Certification by Robert Larson, Lance Cockcroft

By Robert Larson, Lance Cockcroft

All-in-One is all you wish! This authoritative reference bargains entire insurance of all fabric on CCSP assessments SECUR (Exam 642-501), CSPFA (Exam 642-511), CSVPN (Exam 642-511), CSIDS (Exam 642-531), and CSI (Exam 642-541). you will discover examination pursuits at first of every bankruptcy, beneficial examination tips, end-of-chapter perform questions, and images and illustrations. The bonus CD-ROM includes a trying out engine with questions stumbled on basically at the CD. Our website positive aspects extra lab routines in addition to carrying on with updates in line with Cisco's most up-to-date target releases for those checks. This accomplished consultant not just is helping you go those hard assessments, yet also will function a useful on-the-job reference.

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A true Trojan horse isn’t technically a virus because it doesn’t replicate itself. Color profile: Generic CMYK printer profile Composite Default All-In-One screen / CCSP: Cisco Certified Security Professional Certification / Larson, Cockcroft / 222691-9 / Chapter 1 CCSP: Cisco Certified Security Professional Certification All-in-One Exam Guide 10 Structured attacks are more likely to be motivated by something other than curiosity or showing off to one’s peers. Greed, politics, racism (or any intolerance), or law enforcement (ironic) could all be motives behind the efforts.

Figure 1-2 shows a traditional DoS attack. The two most devastating variations are the distributed denial of service (DDoS) and the distributed deflection denial of service (DRDoS). Both of these attacks enlist the assistance of others, often hundreds, of unsuspecting hosts to assist in the attack, thereby significantly increasing the size of the attack, further shielding the source, and making it harder to defend against. DDos DDoS attacks start by the attacker(s) placing Zombie (technically, “bot,” short for “robot”) programs in a series of compromised computers hooked by relatively high-bandwidth connections to the Internet.

Many surveys and studies show that internal attacks can be significant in both the number and the size of any losses. If dishonest employees steal inventory or petty cash, or set up elaborate paper-invoicing schemes, why wouldn’t they learn to use the computer systems to further their ambitions? With access to the right systems, a trusted employee can devastate an unsuspecting organization. All too often, employers fail to prosecute this type of activity. The reasons range from fear of the activity becoming public knowledge to knowing that, quite often, record-keeping systems haven’t been developed either to provide adequate evidence or to prove that the transactions, no matter how ludicrous, weren’t authorized.

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