Java is regularly plagued with security issues and many individuals and organizations have given up and disabled it altogether on their systems’ web browsers rather than take the risks. That’s looking like a better and better idea, as more and more web sites move to HTML 5 instead and more and more vulnerabilities pop up. The critical vulnerability reported in January is followed this month by two new issues that have been discovered by a Polish security research company that can bypass the Java sandbox and allow attacks to infect computers in zero-day attacks. Read more here:
http://nakedsecurity.sophos.com/2013/02/25/zero-day-vulnerabilities-java/