Security

July 11, 2019

THREAT RESEARCH

Should governments pay extortion payments after a ransomware attack?

When it comes to ransomware attacks this year, it’s been a tale of three cities. In May, the city of Baltimore suffered a massive ransomware attack that took many of its systems down for weeks — restricting employees’ access to email, closing online payment portals and even preventing parking enforc…

July 9, 2019

THREAT RESEARCH

Sea Turtle Keeps on Swimming

By Danny Adamitis with contributions from Paul Rascagneres. Executive summary After several months of activity, the actors behind the “Sea Turtle” DNS hijacking campaign are not slowing down. Cisco Talos recently discovered new details that suggest they regrouped after we published our i…

July 5, 2019

THREAT RESEARCH

Threat Roundup for June 28 to July 5

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between June 28 and July 5. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavioral c…

July 2, 2019

THREAT RESEARCH

Vulnerability Spotlight: Remote code execution vulnerabilities in Simple DirectMedia Layer

Simple DirectMedia Layer contains two vulnerabilities that could an attacker to remotely execute code on the victim’s machine. Both bugs are present in the SDL2_image library, which is used for loading images in different formats. There are vulnerabilities in the function responsible for loading PCX…

July 1, 2019

THREAT RESEARCH

RATs and stealers rush through “Heaven’s Gate” with new loader

Malware is constantly finding new ways to avoid detection. This doesn’t mean that some will never be detected, but it does allow adversaries to increase the period of time between initial release and detection. Flying under the radar for just a few days is enough to infect sufficient machines…

July 1, 2019

SECURITY

Get a Security System, not a Security Smorgasbord

If you’re still juggling a lot of cyber security tools, you’re not alone. Even as businesses make headway on trimming point-solutions, the recently released Cisco CISO Benchmark Report found that 14% of security leaders are managing more than 20 vendors. And 3% are dealing with over 50. It’s easy fo…

June 28, 2019

SECURITY

Using Amazon Web Services? Cisco Stealthwatch Cloud has all your security needs covered

Like many consumers of public cloud infrastructure services, organizations that run workloads in Amazon Web Services (AWS) face an array of security challenges that span from traditional threat vectors to the exploitation of more abstract workloads and entry points into the infrastructure. This week…

June 28, 2019

THREAT RESEARCH

Threat Roundup for June 21 to June 28

Today, Talos is publishing a glimpse into the most prevalent threats we’ve observed between June 21 and June 28. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, this post will summarize the threats we’ve observed by highlighting key behavioral…

June 27, 2019

THREAT RESEARCH

Welcome Spelevo: New exploit kit full of old tricks

Nick Biasini authored this post with contributions from Caitlyn Hammond. Executive summary Exploit kits are an ever-present and often forgotten threat on the landscape today. Their popularity seemed to peak several years ago with the success and eventual downfall of some of the best compromise platf…

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