zombie

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Zombie

A publicly-traded company that continues operations despite a merger or bankruptcy. Stocks in zombies are usually low in price because the companies are likely to cease operations (and the stocks will consequently become worthless). However, a few bottom feeders may be interested in a zombie if they believe that it can restructure and become profitable.

zombie

A company that remains in business even though it is technically bankrupt and almost surely headed for the graveyard.
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A denial of service attack prevents a website from functioning properly, sometimes by swamping it with more traffic than it can handle.
DISTRIBUTED DENIAL OF SERVICE ATTACK PREVENTION AND TREATMENT STRATEGIES
SOCA took their website offline for several hours on June 20 after it appeared to be a victim of a distributed denial of service attack. Hacking group LulzSec claimed responsibility.
This is called a Distributed Denial of Service Attack.
According to a study by Internet security company Arbor Networks, the average denial of service attack over the past year was 349 megabits per second, 28 times slower than the stream Wikileaks reported.
"Nearly all of the other websites we've released are crashing after being targeted by repeat denial of service attacks. The attacks are still coming on strong, but our web team is working to make sure we're back online," Walker said in an e-mail.
For example, Dan Brenner, assistant superintendent of New York's Roslyn Public Schools says a recent denial of service attack slowed their online systems significantly, and "caused true heartache for the technical staff." Brenner says it took three long nights for the district technology expert Ed Salina Jr.
Fortunately, email already offers a solution for both the Denial of Service attack and collateral blocking.
Hidden inside the worm is a clock, ticking down until early May when it is designed to launch a distributed denial of service attack against three websites with an educational focus--www.educ.ch, is designed to launch a distributed denial of service attack against three websites with an educational focus--www.educ.ch, www.medinfo.ufl.edu and www.nibis.de--based in Switzerland, USA, and Germany Two earlier spreading variants of Netsky (Netsky-X and Netsky-Y) have also scheduled attacks against the same websites, but these are programmed to cease at the end of April.
"If there's one thing nice about a denial of service attack, it's that it's not subtle, it's like a freight train crashing through your network," said Julian.
In a denial of service attack like the one Bitfinex has experienced, an attacker attempts to overwhelm the systems of its victim by directing a massive amount of traffic at their servers.
Novel DDoS Attack Mitigation and Defense Techniques to address new threats while denial of service attack concepts are being applied to non-traditional targets, like emergency management systems and cyber physical systems.