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Imperva study finds CAPTCHAs, designed to keep spambots off Web sites, can easily be broken by humans and can turn people away if they are difficult or annoying to complete.
Imperva says Web server-based botnet offers more attack power than PC-based botnets.
Web-based applications, on average, are hit by 27 attacks per hour, or roughly one attack every two minutes, according to data from security firm Imperva.
Team GhostShell says it published one million records, allegedly from banks, government agencies, consulting firms and others -- and claims there's more to come.
Fifty-five percent of businesses don't secure Social Security numbers, bank accounts, and other data, even though 79 percent have experienced a data breach.
Visitors to Google.pr, Microsoft.com.pr, Yahoo.com.pr, and others saw defaced sites instead of the legitimate sites after an attack on the domain name system in Puerto Rico this weekend.
Code is thought to have been stolen from servers run by the Indian military, but the company says the code is from 2006 and is no threat to users of the current antivirus product.
Antivirus vendor says the hacked source code was for the outdated Symantec Endpoint Protection 11.0 and Symantec Antivirus 10.2. Rest easy, Norton consumers--for now, anyway.
While Websense has seen a rise in spam following the compromise of thousands of Web mail accounts, security experts are split over how the accounts were breached.
The enterprise software giant acquires Secerno, a company that offers firewall security for both Oracle and non-Oracle databases.