messages denial of service
Webcast: Taking Control of E-mail Security: How to Stay Ahead of the Latest Threats
White Paper Cost-effective ways to eliminate directory harvest attacks (DHA), denial of service (DoS) attacks, and other types of invalid e-mail—often making up over 90 percent of incoming traffic Practical ways to scan e-mail and attachment content, enforce e... [12 Dec 2007]
ICMP Stands for Trouble
White Paper ICMP has been used for scanning, denial of service, and tunneling (see March 2000 and August 1999 Network Defense), besides the uses that Postel had in mind for it. Originally described in RFC 792 by Jon Postel, ICMP provides a way for IP stacks to... [24 Feb 2004]
Is Your Anti-Spam Defense at the Top of its Game?
White Paper How Proofpoint Dynamic Reputation can provide first line defense against spam, directory harvest attacks, denial of service attacks and other email-borne threats while delivering substantial infrastructure savings. [05 Aug 2008]
Microsoft issues warning on "critical" server hole
News The attack causes a similar reaction to that of a denial of service (DOS) attack and could bring the server to a complete halt. A hacker can attack the PC's CPU remotely by using malformed messages which consume most of the processing power of the... [30 May 2002]
Cisco net phones have software flaw
News The flaw, which opens the IP phone service up to denial-of-service attacks, was reported by the National Infrastructure Security Co-ordination Centre, a security research group based in the UK. According to the advisory, the vulnerability is caused... [25 May 2005]
Email bug hides viruses from firewalls
News But Cluely remains unconvinced: "The worst that can happen is a denial of service through system crashes. Every version of Microsoft's Outlook and Outlook Express software and Netscape's Navigator Web browser has been found to contain the bug... [30 Jul 1998]
Virus alert: Sober spreads hate mail
News This network would provide not only a megaphone to distribute messages of hate but a platform for future spam, worm and denial of service attacks," said Chasin. Another variant of the Sober virus, which spreads right-wing messages in German and... [16 May 2005]
Farenheit 9/11 flames up online
News The site was even the target of a denial-of-service attack a few days ago. While studios and record labels have uniformly excoriated unauthorised sharing of movies and music online, many artists -- particularly those eager for the propagation of... [02 Jul 2004]
'Email bomb' teen gets two-month curfew
News The CMA is now seen as insufficient to combat the rise of cyber crimes such as denial of service attacks. Lennon had originally been cleared of the charges in November 2005, after another judge ruled it wasn't an offence to overwhelm an email... [24 Aug 2006]
MyDoom worm quickly gives up the ghost
News Security experts have been warning about the consequences of another MyDoom outbreak after the original version caused massive disruption to the internet and launched a distributed denial-of-service attack on the SCO Group that knocked the company... [28 Jul 2004]
Bug leaves Windows open to Java attack
News The three warnings involve the Microsoft Virtual Machine for running Java applets on Windows; a cross-site scripting bug in a component of Windows 2000 and Windows NT 4.0; and a denial-of-service bug affecting Proxy Server 2.0 and ISA Server. [10 Apr 2003]
Microsoft keeps schtum over IP breach allegations
News The UK's National Infrastructure Security Co-ordination Centre (NISCC) earlier this week published details of this denial-of-service vulnerability, which affects some routers, firewalls and voice over IP (VoIP) phones. [15 Apr 2005]
The Ovum View: The wireless LAN security nightmare
Comment The range of possible concerns spans eavesdropping on confidential messages, impersonating a legitimate user to introduce spurious messages, misuse of IT applications, corruption of data or processes in IT corporate systems, and flooding a system... [20 Jun 2002]
"Our private photos" email worm warning
News The worm also attempts to launch a denial-of-service attack by sending large volumes of "garbage data" to web addresses associated with DarkProfits, a gaming enthusiast site that has been the subject of a persistent email hoax. [03 Nov 2003]
US TV sends plea to hackers
News The high-tech industry and the US government are worried that well-meaning US hackers may launch denial-of-service attacks, release worms or viruses aimed at disrupting terrorists, and in the process damage the internet overall. [26 Sep 2001]
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