Tag: Java

Friday Night Massacre: Twitter Hacked, Info on 250k Exposed

What better time to drop some really bad and embarrassing news than late on a Friday afternoon, as everyone is heading out the door? So it was with social media giant Twitter, which dropped a bombshell late Friday: revealing that it had been compromised in an “extremely sophisticated” attack that yielded the account credentials for around 250,000 users. A blog post by Twitter Security Team member Bob Lord on Friday said that the company has been investigating the breach all week long, after detecting unusual patterns of account access across its network. After stopping an attack that was in progress, the company’s investigation revealed that the attackers “may have had access to limited user information – usernames, email addresses, session tokens and encrypted/saltedversions of passwords – for approximately 250,000 users,” Lord wrote. Twitter did not discuss the circumstances of the breach, but reiterated guidance from the U.S. Department of Homeland Security for users to disable Java […]

Lights Out For Java: Experts Say Turn It Off – And Leave It Off

Security experts from around the globe are warning Internet users to disable Java while browsing the web, after attacks using a previously unknown (“zero day”) vulnerability in Java began to surface, as part of multi-purpose “exploit kits” that are used to launch attacks from hostile or compromised web sites. The exploit works on all versions of Java 7, including update 10 – the latest release from Oracle, which now manages the Java technology, after acquiring it with the assets of Sun Microsystems, according to an analysis by the firm Alienvault, which said that the exact nature of the vulnerability wasn’t known because the exploit was heavily obfuscated to slow down security researchers. According to this report from Krebsonsecurity, the first word of the new exploit came by way of underground forums, where the administrators of popular exploit kits like Blackhole and the Nuclear exploit kits added the Java exploit as […]

Web Attacks Target Foreign Exchange, Payment Processing Sites

A currency trading web site was compromised and used to serve malicious java applications to unwitting visitors, according to researchers at the security firm Websense- part of what might be a larger trend. Websense said in a blog post on Wednesday that the site tradingforex.com, which is used by foreign currency traders, was infected with a malicious Java applet that, when installed, key logging and screen capture software. Tradingforex.com (@Tradingforexxx) is a Cyprus-based online trading web site. It allows individuals to trade on the global foreign exchange market (or Forex). Users can trade everything from foreign currencies to precious metals, commodities and other financial instruments. According to an investigation by Websense researcher Gianluca Giuliani, the site was pushing a back door program to visitors using a malicious Java plugin to exploit known Java vulnerabilities on the victims’ computers. Further investigation by Websense and Giuliani revealed that the malware being pushed […]