cyber crime

April 28, 2015

SECURITY

The Rise in Healthcare Cybercrime

3 min read

January this year witnessed the largest healthcare breach to date in which the personal records of 80 million individuals were compromised. It also marked an apparent change in focus from attacks on delivery organizations to healthcare payers. Last week two additional health insurers reported that they too had been hacked, resulting in the possible compromise […]

October 2, 2013

SECURITY

Using DNS RPZ to Block Malicious DNS Requests

3 min read

After delivering several presentations at Cisco Live and Cisco Connect this year, I received a few questions regarding DNS Response Policy Zones (RPZ) and how can they be used to block DNS resolution to known malicious hosts and sites. I decided to write this short post to explain what it is and provide several pointers. […]