security

Is it the end of October already? As has been true for centuries, there is a tradition for children to wear costumes and disguise themselves while going door to door with a simple question: “Trick or treat?” While I am not sure there is a coincidence, but having National Cyber Security Awareness Mon…

On October 22, 2013, Cisco TRAC Threat Researcher Martin Lee wrote about Distributed Denial of Service (DDoS) attacks that leverage the Domain Name System (DNS) application protocol. As Martin stated, the wide availability of DNS open resolvers combined with attackers’ ability to falsify the source…

Many organizations make the error of thinking that basic defensive software is sufficient to protect critical data and infrastructure. When in reality, in order for government and enterprise organizations to keep their data protected from increasingly advanced cyber threats, comprehensive defensive…

DNS is like the town gossip of the network infrastructure. Computers and apps ask DNS questions and you can ask DNS who has been asking to resolve malware domains. When internal trusted systems are using DNS to resolve the names of known malware sites, this can be an Indicator of Compromise and a wa…

Dude, where’s my IP? I love to check in on social networks like Foursquare and Google+. Most of the time, there’s no point to it, but it’s fun to see what friends and colleagues are up to or discover new local haunts. Despite the fun and games, location is much more important to the network than it…

Cryptography is critical to secure, trustworthy communications. Recent questions within the tech industry have created entirely new discussions about the cryptography underpinning our communications infrastructure. While some in the media have focused on the algorithm chosen for Deterministic Random…

Now when I’m talking about safekeeping a mobile device, I’m not saying don’t use your Kindle by the pool or let your toddler play on the iPad while eating ice cream. These are dangerous things to be doing with a gadget, but today I want to focus more on the data within that device,…

April first falls on a Tuesday next year. The following Tuesday is Microsoft’s monthly security update. It will be the last monthly security update for the Windows XP operating system. About one third of the computers with Windows operating systems on the Internet today are still running Windo…

Risk. It’s not just a strategic board game; in business it’s the analysis that determines the potential for loss. In today’s organization, the consumerization of IT has led to groundbreaking developments in the mobility space. The broad deployment of BYOD, coupled with the availability of corporate…