phishing

Security Reimagined — Solving an Old Problem with a New Approach A decade ago this January, Steve Jobs challenged the conventional wisdom about tablets, unveiling the iPad with the words, “What this device has done is extraordinary.” Coming on the heels of iPhone’s smashing success three years earli…

Cisco’s Computer Security Incident Response Team (CSIRT) detected a large and ongoing malspam campaign leveraging the .IMG file extension to bypass automated malware analysis tools and infect machines with a variety of Remote Access Trojans. During our investigation, we observed multiple tacti…

Today we launch our 2019 Threats of the Year report; a look back at the major tools and tactics that cybercriminals have exploited over the past year. Based on original research conducted for our ‘Threat of the Month’ blog series, we look into the impact of directed attacks against specific o…

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’s 2018 Data Breach Investigations Report, email is the number one vector for both m…

Let’s be honest: administering email is a pain. Routing issues, disk quotas, bouncebacks, the times when users can send but not receive emails, receive but not send, or they flat out cannot send or receive—the list goes on. It’s no wonder that email-hosting services like Office 365 have become so po…

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 “BlackWater” is associated with suspected persistent threat actor MuddyWater. Newly associated samples…

When you see “software update available,” does it spark joy? For many of us, the answer is a resounding “no.” But, don’t be fooled into thinking that our new 12.0 release of Cisco Email Security is anything other than extraordinary. Here are three reasons why: Our SVP of Product Management, Jeff Re…

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. “You’ve got mail” has somehow turned into “You’ve got malware.” Email has become and remains…

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 cybercriminals wherever they congregate. However,…