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The Endless Scourge of Malicious Email

There is no question that unwanted email is a source of annoyance. It is also the biggest source of cyber threats. In fact, just last month, spam accounted for 85 percent of all email sent. Plus, according to Verizon

Office 365 phishing

Let

Recent MuddyWater-associated BlackWater campaign shows signs of new anti-detection techniques

This blog was authored by Danny Adamitis, David Maynor, and Kendall McKay Executive summary Cisco Talos assesses with moderate confidence that a campaign we recently discovered called

When you see

Email

How a revolutionary technology was usurped for evil, and what we can do about it Since its inception, email has gone from a novelty, to a necessity, to at times a nuisance, and now, to downright nefarious.

Hiding in Plain Sight

This blog was written by Jon Munshaw and Jaeson Schultz. Cisco Talos is continually working to ensure that our threat intelligence not only accounts for the latest threats but also new versions of old threats, such as spam. This often means pursuing...

You've Got (Compromised) Mail!

There are two kinds of people in this world: those who have been affected by Business Email Compromise (BEC) scams and those whodon't knowthey have been hit with BEC. It's happening all the time, in your company, right now. People are getting emails ...

Cisco Threat Response with Email Security Integration: Harmonizing Your Security Products

Those of us who have been in security for more than 20 years are very familiar with the assertion that security is a process. For me, security has always been a process like a melody that ties in all other parts of the song.  Staying on this mus...

Going with what works: The state of phishing

Go phish! Cyber-attacks are big business. And the bad guys know that in any business, the more revenue you can generate with least investment means larger profits. It makes sense that when the bad guys find a reliable attack vector, like email phishi...

Phishing 101: Protection for Everyone

Every October, we celebrate National Cybsersecurity Awareness Month (NCSAM). This NCSAM, the five weeks of October are focused on five separate cybersecurity themes: simple steps to online safety, cybersecurity in the workplace, prediction for tomorr...

Phishing for Threat Intelligence: Using Your Spam Quarantine for the Greater Good

Effectively protecting your assets increasingly involves effective threat intelligence to better understand the types of attackers targeting your sector, and what your vulnerabilities are. Lack of any threat intelligence at all, or even the foresight...

Cybersecurity in Education: Threats Impacting K-12 and Higher Education

As schools, colleges, and universities become more connected, it opens up a world of possibilities for students. The IT market suggests today we have around 15 billion devices utilizing an IP address, and that number is expected to grow to approximat...