Malware

Ransomware targets Windows PowerShell

Ransomware targets Windows PowerShell

Malware uses Microsoft encryption to hold computers hostage

Cybercriminals using digitally signed Java exploits to trick users

The lack of default certification revocation checking in Java makes the problem worse, researchers say

Five new flaws found in the latest version of Java

This latest vulnerability report follows a week after the same company reported two other holes in Oracle's plug-in

Oracle releases emergency fix for Java zero-day exploit

The company broke out of its regular patching cycle for the second time this year to fix an actively exploited flaw

‘Tis the season for tax scammers — and now, ‘long-lining’ phishers

As IRS battles scams, phishing techniques morph into new threat

Google squashes 10 Chrome bugs as $100K Pwn2Own hacking prize looms

Also releases Chrome 25 for Apple's iPhone and iPad, promises search improvements

Researchers link latest Java zero-day exploit to Bit9 hack

The remote access malware used in both cases connected to the same control server, Symantec researchers said

Are we now living in a post-crypto world?

Cryptologist's comments at RSA draw mixed reaction from security community

Islamic group promises to resume U.S. bank cyberattacks