The DNS cache poisoning exploit is posing a serious threat of large-scale attack to DNS server systems not only in Vietnam but all over the world. This is a critical vulnerable, especially when hackers have been successful in exploiting it. The problem is that server managers have not had any tools to check if their system is in danger or not, which makes them very puzzled. And one more question, if their systems have the flaw, how could they apply the patch?

CHECKING FOR DNS CACHE POISONING VULNERABILITY (Document for Network Administrators) To check if your DNS servers are affected by DNS Caching Poisoning Vulnerability or not, follow the following three steps:

Lots of gamers have recently been attracted to some websites named “hack game”. Arcording to the investigation held by Bkis center, this is actually a kind of phishing attempting to acquire sensitive information such as usernames, passwords and credit card details of gamers.

Even though having dropped out of the top 5, which is the first time since Dec 2007, W32.Dashfer still continues to pose a major threat to PC users in Vietnam. Last month, a large number of Vietnam Hosting Service Providers’s servers have face the problem of this virus. As a result, each time accessing to these servers, visitors would see some malicious iframe attached into websites’ content.

1.256.000 PCs in Vietnam have been infected by a Chinese virus named W32.Kavo and its variants in June 2008. The statistic result given by Bkis virus supervisory system also shows that there were 639 new variants of Kavo found in the wild in this month, which means 21.3 new variants daily and sets a new record of virus varying speed.

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