Cisco Security Advisory released information on multiple vulnerabilities in Cisco IOS Software on 28th March 2012. It includes nine Cisco Security Advisories.
Cisco has released free software updates that address these vulnerabilities.

Email is a quick and easy way to stay in touch with family, friends, business contacts, and strangers. It doesn't cost the price of a stamp and you don't have to wait for days to get a response or answer. In the business world, it is an easy, fast way to keep in touch with co-workers and employers. Emails keep us from wasting valuable time being placed on hold when you need to contact someone regarding business or pleasure. So in the modern world Email is the communication backbone that supports the smooth and successful operation of any company. Business employees often require access to work resources from outside of the office. Not like other regular emails, web mail can access from anywhere. Because of this availability webmail is more popular than other regular desktop email. Therefore email resources are highly targeted by attackers.