A type of denial of service attack relevant in the 1990s has resurfaced with surprising potency against modern-day firewalls. Dubbed a BlackNurse attack, the technique leverages a low-volume ...

komatsu[/url]":2u6eprs6]Thanks for the info guys. sryan, I see these cloud scrubbing services seem to be widely used now by every sort of website - so you must be kept on your feet!

Attacks move up the OSI stack to the application layer and use organizations’ big bandwidth against them. Here’s how enterprises can improve their defenses.

Ignore it.<BR><BR>A SYN flood is a type of DOS attack where someone creates many half-open connections. This can create a situation where you can't accept legitimate connections because there are ...

A DoS attack is performed by overloading the target machine or network with massive traffic, ... This type of attack is effective since it is difficult to identify the source of the attack.

That is only ~45 kb/sec which makes this attack even more dangerous – a lone DSL user might DoS a big site. However, the TimeOut directive is still probably the best mitigation option.” ...

The attack leverages ICMP Type 3 “unreachable” messages, specifically ICMP Type 3 Code 3 “port unreachable” messages. Those ICMP messages can overload a firewall CPU and result in a DoS state.

DoS attack disables Net security watchdog ... The attack began around 9 a.m. PDT Tuesday and continued to stall traffic to the organization's Web site Wednesday. ... A common type of attack, ...

U.S. antivirus software vendor Network Associates Inc. (NAI) was hit by a DoS (denial-of-service) attack late Wednesday, a company executive confirmed Thursday. Access to NAI’s Web site was ...

The CERT Coordination Center-the organization set up to send out computer security alerts-is cut off from the Internet after a denial-of-service attack floods its systems with data.