In Pictures: 20 notorious worms, viruses and botnets

The earliest worms and viruses were created for geeky fun and did little harm - oh, how times have changed. Here are 20 worms, viruses and botnets that show the evolution of malware, from Creeper to Flame.

Flashback

The Flashback Trojan, discovered in 2011, affects computers running Mac OS X and exploits a security flaw in Java in order to install itself on Macs.

Blue Coat's Larsen notes Flashback is a "wake-up call for Mac users; no one should be feeling smug and safe these days."

18 of 19
VIEW ALL THUMBNAILS

Most Popular

What's the difference between an Intel Core i3, i5 and i7?
Samsung’s 2013 Smart TVs: everything you need to know
How do I connect my TV to the Internet?
Laser vs. inkjet printers: which is better?
Windows 7 Home Premium vs. Windows 7 Professional

Best Deals on PCWorld

NotebooksView all »
TabletsView all »
Mobile PhonesView all »
Printers & ScannersView all »
Networking, Wireless & VoIPView all »

Compare & Save

« 1 of 14 »
Deals powered by WhistleOut
Use WhistleOut's technology to compare:
Mobile phone plans & deals
Mobile phone models
Mobile phone carriers
Broadband plans & deals
Broadband providers
Deals powered by WhistleOut
Guides and Articles
National Broadband Network NBN 100Mbps Plans
Visualising Mobile Phone Plans
SIM Only Mobile Phone Plans
National Broadband Network NBN 25Mbps Plans
iPhone 5, 4S & iPhone 4 Plans - Compare Deals &...
Deals powered by WhistleOut
WhistleOut

rhs_login_lockSign up to PC World Today for the latest news, reviews and galleries from PC World Australia.