Last Build Date: Thu, 09 Feb 2017 15:24:10 +0000
Thu, 09 Feb 2017 08:08:01 +0000
We’ve all heard the saying: You can’t teach an old dog new tricks. But have you ever tried? I know, I know, you didn’t come here for canine training tips. Stay with me, there’s a point to all this. Anyways, it’s super hard. I tried, and all the dog wanted to do was sleep. Your […]
Wed, 08 Feb 2017 17:01:33 +0000
2016 brought us more traffic then ever and with that, we identified and protected our customers from a barrage of new attacks, threats, and actors. Understanding these evolutions are paramount to a strong defense. In this post we will visualize and summarize some of the biggest threats highlighted in the Cisco Annual Cybersecurity Report (ACR). To create […]
Fri, 27 Jan 2017 17:45:25 +0000
BSidesSD 2017 San Diego has finally joined the Security BSides (@SecurityBSides) circuit. This year, the first annual BSidesSD took place Jan 13th-14th held at National University on the northern side of San Diego. This author was one of twenty speakers accepted to talk at the inaugural event. My talk was once again centered around our […]
Wed, 18 Jan 2017 18:26:42 +0000
We’ve spotted a Remote Access Trojan(RAT) and are headed down into the unknown. In this blog post we’re going to examine some malicious infrastructure that we’ve found by pivoting through domains delivering and communicating with RATs. A RAT is malware that creates a back door to gain access to the target and its connected resources […]
Tue, 17 Jan 2017 21:00:52 +0000
Today, we’re excited to announce the availability of two new security categories for Umbrella: DNS tunneling VPN and Potentially harmful. DNS tunneling VPN DNS tunneling is the ability to encode the data of other programs or protocols in DNS queries and responses.1 Anti-virus programs and security services use DNS tunneling to fetch signatures. But, not […]
The post Announcing two new security categories for Cisco Umbrella appeared first on OpenDNS Umbrella Blog.
Wed, 11 Jan 2017 18:03:30 +0000
Exploit Kits play an integral role in many of the attacks we see on a daily basis. In this blog post we show how we use our data in a novel way to uncover new components of the attack infrastructure and protect our customers earlier. Background A race unfolds each time a new WordPress, Joomla, or similar web […]
Thu, 05 Jan 2017 16:22:01 +0000
As we begin our journey into 2017, many of us will take the opportunity to look back on how 2016 went. This time of year is conducive to self-reflection and introspection, learning from the past to prepare for the future. Though there were many incidents over the course of the past twelve months, none captured my […]
The post The Future is Here – Assaulting the Internet with Mirai appeared first on OpenDNS Umbrella Blog.
Thu, 22 Dec 2016 13:57:20 +0000
Over the past year as cryptocurrency has steadily increased well past $800, OpenDNS Labs has been diligently tracking Bitcoin wallet phishing campaigns. With this most recent uptick in price we have observed a recent rise during this holiday season in phishing domains to steal access to online wallets. This latest spike was very similar to the […]
The post New attacks on wallets and AdWords correlate with Bitcoin price surge appeared first on OpenDNS Umbrella Blog.
Mon, 19 Dec 2016 13:48:09 +0000
This blog post was authored by Jakob Dohrmann, David Rodriguez, and Jaeson Schultz. INTRO The Cisco Talos and Umbrella research teams are deploying a distributed hailstorm detection system which brings together machine learning, stream processing of DNS requests and the curated Talos email corpus. Talos has discussed snowshoe spam before. Traditional snowshoe spam campaigns are […]
Wed, 14 Dec 2016 21:04:55 +0000
Here at Cisco Umbrella, we have a culture and passion for giving back to the technical community. This has included projects such as: our free consumer OpenDNS service, our free Enterprise Premium DNS Service, Phishtank, DNSStream, BGPStream, DNSCrypt, and several other open source projects and data sources. With that, we are very excited to announce […]