The new version of Java, version 1.7, is vulnerable to a security flaw that allows hackers to break into a person’s computer to install malicious software. This vulnerability exists in both Windows and Apple (Mac) computers.
It has been reported that previous versions of Java are not vulnerable to this flaw.
The United States Computer Emergency Readiness Team (US-CERT) is recommending that Java be disabled on computers until the vulnerability has been fixed in an update. There is currently no estimate for the release of an update.
The following website will test your computer for the vulnerability: http://zulu.zscaler.com/research/java_version.html
If you find that your computer is vulnerable, please contact your support team.
Please note that enterprise systems such as Banner require Java to work. If you do not use such systems, or want to secure a personally owned system that is vulnerable, you may follow Slate.com's instructions for disabling Java.