This
calendar displays viruses which contain date activated payloads.
While some of these payloads may just be a nuisance, others may severely
damage your system.
McAfee AVERT Labs has developed a general ranking system that indicates the
severity of known global threats and how they impact the Internet, business
operations, and home users’ systems.
The unpatched createTextRange vulnerability in Internet Explorer has been
exploited on a limited scale since March 23. On March 30 more reliable exploit
code was published. Microsoft expects to patch on 4/11 but will release a patch
earlier if warranted.
Critical Threat Level Condition
Systems worldwide are targeted by a worm.
New malware that potentially can cause damage has been reported and has spread
globally.
Severe Threat Level Condition
An unpatched or recently patched vulnerability can be exploited by a worm, and
systems worldwide are at risk to be targeted a particular worm. No worm
activity has been identified.
A high incidence of new malware that potentially can cause damage has been
reported.
Elevated Threat Level Condition
An unpatched or recently patched vulnerability is present on many systems
worldwide but requires user interaction to be exploited.
An existing vulnerability becomes more serious because new exploit code has
been published.
There is new malware activity, but it is not widespread.
Low Threat Level Condition
There is no direct threat to systems that have been patched.
No new significant malware activity has been reported.
Security Insights
Read about how to fight spyware, phishing and spam and other threats on your
computers and networks in McAfee Security Insights section.