If you read the recently released Cisco Annual Security Report, you will have learned how spammers have adopted a “Snowshoe” strategy, using a large number of IP addresses with a low message volume per IP address, to send spam, preventing some spam systems from sinking the spam. This yielded a 250 percent increase in spam […]
This post is co-authored by Jaeson Schultz and Craig Williams. Every so often, we observe certain spam campaigns that catch our interest. On August 15, we observed a particular spam campaign that caught our attention because it was using “snowshoe” spam techniques combined with PDF exploitation. While neither of these techniques are new, we have seen a growing […]
Overview Phishing attacks use social engineering in an attempt to lure victims to fake websites. The websites could allow the attacker to retrieve sensitive or private information such as usernames, passwords, and credit card details. Attacks of this kind have been around since 1995, evolving in sophistication in order to increase their success rate. Up until now, […]
We in IT are faced with many challenges from our end users. From IT costs to application performance, while always keeping an eye on our network security posture. This reminds me of a sign on the wall of my auto mechanic’s shop: Good, Fast, Low-cost. I was always told I am allowed to pick only […]
In recent weeks, the volume of malicious email carrying attachments has increased substantially. To entice recipients into opening those attachments, attackers are employing pitches across a wide range of subjects. In doing so, they are defeating the often doled out advice to not open attachments in email received unexpectedly. One of the more striking examples […]
Please visit Cisco’s TechEd web site to learn more about what we have going on at the show and visit www.cisco.com/go/microsoft to learn more about Cisco’s Microsoft capabilities. I first attended Microsoft TechEd in 1996 in Los Angeles. What a learning experience it was. This year, I’ll be there staffing the Cisco booth (#1701) […]
