MORE ATTACKS: If a company can't tell which systems were penetrated, then the attackers might still be in the environment, continuing to siphon out data, or getting ready to launch more attacks. (Foto: Istock)

MORE ATTACKS: If a company can't tell which systems were penetrated, then the attackers might still be in the environment, continuing to siphon out data, or getting ready to launch more attacks. (Foto: Istock)

12 things every IT security professional should know

IDG NEWS: Fighting the good fight takes specialized knowledge. Here's the baseline of what all security pros should know.

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Few complex professions change with the velocity of IT security. Practitioners are faced with an average of 5,000 to 7,000 new software vulnerabilities a year. That’s like springing 15 new leaks in your defenses every day. That’s on top of the tens of millions of unique malware programs that threaten your IT environment each year.

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say fight will. team it is and not back. This can successfully that course your to – Of can’t

things successfully security fight are computer know the twelve professional good Here fight. every should to

Your motives 1. opponents’

fight story without successfully after You their are they to has they and they own and these how are who two can’t and origin everything you. Every objectives, attacker do it. and why drive understanding guys do they begin things bad

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espionage Corporate


Resource theft

in games multiplayer Cheating

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2. of malware Types

is types worm. malware: of of computer or program malware and classifications. three horse, amalgam Any more one virus, There an major of these trojan are

A is to trojan be malware computer in of humans inside need a claiming program the self-replicate; program is itself to storage host horse digital is relies spread to a virus code uses not malware curiosity something A worm horse of does trojan a on does other A into replicate. it programs, program other It legitimate and files, spread. A it it programs help hosts humans trick to self-replicating files. setting that or in itself. motion. not that to

do into most got where can categories likely you to parse help for understand malware that basic your This so when further. and find for systems. the will scenario program’s program, you a where likely will the it of about you look It’s these origination it malware to together spread how understand malware understand important

exploits Root 3. cause

exploits cause each unique someone’s Each into yet root and thousands software programs, the of root different hacking exploits you’ll Here IT of those and exploits: security millions environment. malware. professionals twelve types face root are and stop only year cause Stop allow of vulnerabilities the new of twelve malware


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Social engineering

Password attacks


leaks Data


service Denial of

party Insider/partner/consultant/vendor/third

error User

access Physical

data and Cryptography protection 4.

making should unauthorized professional cryptography, is Digital of and protection. the Every key IT of information learn distribution cryptography encryption, and the security and hashing, basics against art asymmetric modification. symmetric access secure encryption, including

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analysis Networking packet network and 5.

addresses, such professionals level. network all are the as at because understand networks packet will great and of model, read be packet router are fields network a the You difference team network the basics layers your on of to various numbers, security a between facile the with understand they switch, what recognize able protocols, They used a truly and for. OSI and to the are able port IT

them. network understand To computers is that the truly and analysis understand packet networks use to

common Basic defenses 6.

They pros “standards” IT computer apply. Almost good consider and common basic the has of computer defenses, include: which every security. These are

Management Patch

End-User Training



Configurations Secure



Intrusion Detection


stopping them. security Know, must security IT do. stop knowing and professional. at using common too, defenses a about is are what every to what and they for good simply they don’t Understanding IT the fail But basic at

Authentication 7. basics

address, any two-factor Authentication valid identity test. that providing the valid than unique, such or process best authentication involved – a name. process putting for more The label professionals or email a of ID the is than understand begins the more of logon satisfying as security namespace password in that. user principal much a name, It’s with

owner by identity documented All types identity authentication valid and should this examined database/service. authenticated Then, is or Authentication When as to “secrets” holder known access user valid that protected process identity. process holder authentication, resources after attempted any successful log logon the attempts the the authentication one the accesses his proves file. be known of manager is valid the that factor(s), subject’s of security correct to the and a more only the is providing in a by authorization. are the

threats 8. Mobile

more humankind’s people prowess security mobile increase, through mobile include: top is to of professionals planet people most mobile Because take are seriously. now mobile devices There mobile threats their and mobile to and devices, the on mobile threats, only security most IT need get information likely than a device. The

malware Mobile


Data credential theft or

theft Picture


attacks Phishing

wireless Unsecured

pro's much isn’t And But the is a to what familiar job ASAP. it difference should those IT a not know are mobile many somedifferences. devices between device threats, threaten with they how there Any are. mobile or particulars computer. professional become a familiar With of great there IT mobile

security 9. Cloud

factors more networks? security traditional make Pop than complex What quiz: cloud four

pro IT this should test. pass easily Every able be to

answer is: The

Lack control of

on the Always internet available

Multi-tenancy services/servers) (shared


joke that security used control The and store trust corporate its cloud computers” the cloud. is “other all Traditional that means and is the the infrastructures… and servers, services, that sensitive to data administrators no entails. have job. infrastructure isn’t) vendor’s Cloud longer doing team You risk users cloud in the people’s really to (and service

IDG News Service