Malvertising

Blog post

Malvertising

Online advertising is an integral part of today’s internet experience. In many ways, ads are the lifeblood behind many websites, providing the necessary funding to keep sites running, as well as supporting the creation of new content. While it may appear as though the ads that are displayed are just a component of the site […]

November 25, 2019 6 min read
Blog post

Threat Spotlight: Spin to Win…Malware

This post was authored by Nick Biasini with contributions from Tom Schoellhammer and Emmanuel Tacheau The threat landscape is ever changing and adversaries are always working to find more efficient ways to compromise users. One of the many ways that users are driven to malicious content is through malicious advertisements known as malvertising. Talos has […]

May 3, 2016 1 min read
Blog post

Threat Spotlight: The Imperiosus Curse –A Tool of the Dark Arts

Authors: William Largent, Jaeson Schultz, Craig Williams. Special thanks to Richard Harman for his contributions to this post. As consumers, we are constantly bombarded by advertising, especially on the World Wide Web. There is a lot of money to be made either pushing Internet traffic, or displaying ads to consumers. Total annual Internet advertising revenue from […]

March 24, 2015 9 min read
Blog post

Be More Effective, Be More Efficient: The Mantra for Many Adversaries in 2014

Adversaries are committed to continually refining or developing new techniques to conceal malicious activity, decrease their reliance on other techniques that may be more detectable, and become increasingly more efficient and effective in their attacks. Below are just three examples—explored in detail in the newly released Cisco 2015 Annual Security Report—of how malicious actors met […]

February 5, 2015 2 min read
Blog post

Cisco Email Security Stays Ahead of Current Threats by Adding Stronger Snowshoe Spam…

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 […]

January 29, 2015 2 min read