Security
Ransomware: Past, Present, and Future
The rise of ransomware over the past year is an ever growing problem. Business often believe that paying the ransom is the most cost effective way of getting their data back – and this may also be the reality. The problem we face is that every single business that pays to recover their files,…
Nuclear Drops Tor Runs and Hides
Introduction Exploit kits are constantly compromising users, whether it’s via malvertising or compromised websites, they are interacting with a large amount of users on a daily basis. Talos is continuously monitoring these exploit kits to ensure protection, analyze changes as they occur, and l…
News Flash! Another Adobe Flash Zero-day Vulnerability Spotted in the Wild
In today’s threat landscape, Adobe Flash Player unfortunately remains an attractive attack vector for adversaries to exploit and compromise systems. Over the past year, Talos has observed several instances where adversaries have identified zero-day vulnerabilities and exploited them to comprom…
Vulnerability Deep Dive: Exploiting the Apple Graphics Driver and Bypassing KASLR
Cisco Talos vulnerability researcher Piotr Bania recently discovered a vulnerability in the Apple Intel HD 3000 Graphics driver, which we blogged about here. In this post we are going to take a deeper dive into this research and look into the details of the vulnerability as well as the KASLR bypass…
Tackle the Cybersecurity Problem with a Best Practices Approach
It’s late in the day, and the Chief Information Security Officer walks over to you. She asks you a single question: “How do you think about cybersecurity?” The question catches you by surprise. How do I think about cybersecurity? So many things run through your mind at once: Do I think about it in t…
Privacy takes center stage in security discussions after years of being kept in the background
With the International Association of Privacy Professionals gathering this week to discuss evolving regulatory requirements and rising customer expectations, there’s no better time to talk about privacy. Privacy is an integral part of the digital transformation wave. As more countries, companies and…
What is Email Spoofing and How to Detect It
What is Email Spoofing? Email spoofing is the creation of email messages with a forged sender address for the purpose of fooling the recipient into providing money or sensitive information. For example: a sender 401k_Services@yourcompany.com sends a message to your business email address stating th…
Research Spotlight: Enabling Evil for Pocket Change
This post is authored by Tazz. EXECUTIVE SUMMARY At the end of February, one of the researchers on the team received a solicitation email from a domain reseller, which she reviewed the first week of March. The email was from Namecheap offering deeply discounted domains for .88 cents. The timing o…
Vulnerability Spotlight: Lhasa Integer Underflow Exploit
Talos is disclosing the discovery of vulnerability TALOS-2016-0095 / CVE-2016-2347 in the Lhasa LZH/LHA decompression tool and library. This vulnerability is due to an integer underflow condition. The software verifies that header values are not too large, but does not check for a too small header l…
Why Cisco Security?
Explore our Products & Services
Subscribe to our Blogs
Stay up to date and get the latest blogs from Cisco Security