If you are using Internet Explorer, Firefox, Chrome, or Opera, some major security patches have come out for all of them.
Feel free to contact us about our takes on each of the browsers and which one(s) fit your business the best. More information about the patches:http://www.itworld.com/internet/106103/bugs-amp-fixes-security-fixes-all-major-browsers?source=ITWNLE_nlt_security_2010-04-29