Malware Evolution >Pre 1990-Experimental /intellectual pranks.E.g.Morris Worm. >1990-1999-More sophisticated Viruses and Worms e.g Macro virus,encryption,polymorphic viruses. >2000-2003-Explosion of Worms.CodeRed,Nimda,Slammer etc... >2003-present-Increase in malware sophistication,blended threats,countermeasures,updating.e.g.Conficker. >Shift in motive towards financial gain has driven the increased sophistication and prevalence of malware. The Web today provides cyber-criminals with the targets, exploitable weaknesses,and anonymity required for large- scale fraud.Malware Evolution
Pre 1990 – Experimental /intellectual pranks. E.g. Morris Worm.
1990-1999 – More sophisticated Viruses and Worms e.g. Macro virus, encryption, polymorphic viruses.
2000-2003 – Explosion of Worms. CodeRed, Nimda, Slammer etc...
2003-present – Increase in malware sophistication, blended threats, countermeasures, updating. e.g. Conficker.
Shift in motive towards financial gain has driven the increased sophistication and prevalence of malware.
The Web today provides cyber-criminals with the targets, exploitable weaknesses, and anonymity required for large￾scale fraud