Month: December 2015

DDoS attacks – more than just disruption?

December 21, 2015

Track:  General Security

Author: Vann Abernethy, Field CTO, NSFOCUS

DDoS attacks

Distributed Denial-of-Service (DDoS) attacks have been around for decades and have been increasing in popularity due to the relative ease in carrying one out.  Traditionally, the purpose of these attacks has been to make a site or service unavailable to its intended users for some duration via either flood-type attacks or application-layer attacks (which are smaller, but just as effective) that overwhelm the target’s network or systems. (more…)

Anatomy of an attack – DNS amplification

December 14, 2015

Track:  Technical

Author: Vann Abernethy, Field CTO, NSFOCUS

binary-823342_1920DNS amplification attacks ramp up the power of a botnet when targeting a victim.  The basic technique of a DNS amplification attack is to spoof the IP of the intended target and send a request for a large DNS zone file to any number of open recursive DNS servers.  The DNS servers blindly respond to the request, sending the large DNS zone response to the attack target.  (more…)

The financial impact of DDoS attacks: The devil is in the details

December 7, 2015

Track:  Business

Author: Dave Martin, Director of Product Marketing, NSFOCUS

financial impact of DDoS attacks

Even if you have not yet been the victim of a DDoS attack it is helpful to examine the financial impact of a potential attack on your organization for the purposes of doing risk assessment or for calculating the payback period of a DDoS protection solution. (more…)

Modern DDoS attacks: When Moore’s law meets Darwin’s Theory of Evolution

December 4, 2015

Track:  General Security

Author: Dave Martin, Director of Product Marketing, NSFOCUS

DDoS attacks

What would happen if you combined Moore’s law with Darwin’s Theory of Evolution and applied them to DDoS attacks?  Unfortunately, modern DDoS attacks seem to embody this idea perfectly as both the frequency and complexity of these attacks have become truly staggering in just a short amount of time.

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