Tag Archives: DNS

DNS Gang Wars of the Wild Wild East

What does running the DNS infrastructure of a major ISP have in common with operating an online gambling site based in China? If you are running DNS operations of any scale then you are almost certainly participating in a world wide racketeering campaign specifically targeting online gambling sites, many of which operate out of China […]

Defcon 2014: How should home routers get secured?

The risk posed by vulnerable home internet routers was a common theme at this year’s Black Hat and DEF CON conferences. These devices are becoming notorious for having security vulnerabilities, which often go unpatched. The SOHOpelessly Broken contest at DEF CON provided a dramatic demonstration of these flaws, as contestants attacked consumer-grade routers and quickly broke into them. But […]

Black Hat 2014: Cellular modem vulnerabilities threaten mobile users

Mobile broadband modems are small USB sticks that connect a computer to the internet through a cellular network. The great convenience of being able to stay connected outside of areas with Wi-Fi has led to over 100 million of these devices being sold. However, security flaws in these ubiquitous modems may become a boon for cybercriminals. […]

The Authentication Arms Race

At Cloudmark, we have long recognized that we are in an arms race against the spammers. Spammers are continually trying to come up with new techniques for getting through our spam filters, and we are constantly monitoring their activities and staying one step ahead. It seems that the same thing is now happening in the […]

Update on Hacked Web Servers

Just when the plague of hacked web servers seemed to be dying down a little, we hear of a new exploit for Joomla. While we haven’t seen this exploit being used by spammers yet, it will likely turn up in coming weeks. In the meantime, there are already two easy exploits in Joomla 1.5 that […]

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