As computer software becomes increasingly complex, more vulnerabilities appear for hackers to exploit. Many experts say that one in four broadband PCs are at risk. That study was based on more than 600 companies and government agencies. The FBI said most hacking is still limited to viruses, stolen laptops and employees misusing Internet privileges while on the job. As cybercrime increases, so do fears of cyber-terrorism.
Polls show that people increasingly believe the Internet is a threat to national security.