"The month of June saw a host of Web-based attacks compromising
legitimate Web sites.
"One, dubbed "Nine Ball," compromised more than 40,000 Web
sites. Another attack injected a malicious script that antivirus
vendor Sophos More about Sophos named "Troj/Iframe-CB" into large
numbers of legitimate sites.
"Victims who access or browse such tainted Web sites are
infected with malware.
"Facebook More about Facebook, the world's leading social
networking site, has been hit repeatedly by cybercriminals.
"In May, a hacker cracked into Twitter's More about Twitter
internal administration system to gain access to the accounts of
millions of users, including President Obama, singer Britney Spears
and actor Ashton Kutcher.
"What can be done about these attacks, and who's policing the