If you believed everything you read on web sites, you might think that IE is the only web browser that ever has security flaws, and if you just use an alternative browser, you're completely safe. Of course, the reality is very different. All browsers are vulnerable to security threats and need regular updating. So if your organization's users are using different browsers, be sure they have the latest and most secure versions.
On June 21, Opera released version 10.54 that corrects a number of critical vulnerabilities:
On June 23, Mozilla released a new version of Firefox, 3.6.4, that addresses 7 vulnerabilities:
Safari 5, a major overhaul of Apple's browser, was released earlier this month:
And Google's Chrome version 5.0.375.86 includes security updates along with the incorporation of Flash: