Second, employees, former employees or contractors break into their own company's computers. Finally, hackers are proving more sophisticated and more difficult to track than ever. Attackers often break into systems through holes in the software. Software developers usually prove quick to realize these glitches and create patches. However, clients often don't hear about the patches in a timely manner.
Hackers simply type in random passwords and gain access to employee accounts.
Then the cybercriminal downloads customer and other proprietary information. Often the hacker contacts company management and threatens blackmail. Not only does this put the customers' private information out there for everyone to see, but it ruins the company's reputation for secure transactions. With more than 30,000 hacker-related Web sites in cyberspace, the bad guys find a lot of resources to further their criminal agenda. Viruses count as the fastest-growing weapon in Web security, with new worm viruses invading technology each day.