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OpenDNS Umbrella Blog



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Last Build Date: Mon, 24 Apr 2017 18:32:06 +0000

 



Enigma 2017 Recap

Mon, 24 Apr 2017 18:32:06 +0000

Earlier in February, a few of us from Security Research at Cisco Umbrella and Sarah Brown (from Security Links, based in Delft, The Netherlands) headed to Oakland for the 2nd annual Enigma Security Conference (Jan 30-Feb 1). Enigma is a 3-day conference that focuses on threats and defenses in the growing intersection of society and technology. There […]

The post Enigma 2017 Recap appeared first on OpenDNS Umbrella Blog.




A Wretched Bin of Scum and Villainy

Fri, 14 Apr 2017 17:45:15 +0000

A Brief History of Pastes For more than 25 years, people looking to share computer code and snippets of text have used pastebins, web applications designed to store text. Often chosen because they would preserve formatting, pastebins were also an attractive option for IRC enthusiasts who wanted to talk about problems they were having with their […]

The post A Wretched Bin of Scum and Villainy appeared first on OpenDNS Umbrella Blog.




Healthcare industry embraces Cisco Umbrella

Thu, 13 Apr 2017 20:06:35 +0000

Why are Healthcare organizations across the country using Cisco Umbrella? Healthcare IT professionals need to overcome a mounting list of security challenges: unmanaged consumer endpoints, ever-changing regulatory landscape, uptick in smart medical devices and an increased use of Wi-Fi networks in hospitals and healthcare facilities. Cloud-delivered security provides faster deployment with an open, automated way […]

The post Healthcare industry embraces Cisco Umbrella appeared first on OpenDNS Umbrella Blog.




OG-Miner : Data Crawling on Steroids.

Tue, 04 Apr 2017 16:44:18 +0000

The Internet moves fast. New websites are created everyday, new articles are shared through blogs or social media, fresh data is served through APIs, emerging threats are repeatedly setup behind bulletproof and ephemeral infrastructures. Monitoring these online activities is part of the daily job of any security researcher and using the appropriate tools is key to […]

The post OG-Miner : Data Crawling on Steroids. appeared first on OpenDNS Umbrella Blog.




‘Seamless’ Campaign Delivers Ramnit via Rig EK

Wed, 29 Mar 2017 11:10:03 +0000

The Cisco Umbrella Team has been tracking an Exploit Kit campaign that we refer to as ‘Seamless’ due to its inclusion of the now deprecated seamless iframe attribute. This campaign has been discussed indirectly in other blog posts – we’d like to shed more information on its details. In the Wild In early February, 2017 our HitList classifier identified a redirection to a known […]

The post ‘Seamless’ Campaign Delivers Ramnit via Rig EK appeared first on OpenDNS Umbrella Blog.




Phishing and Eternal Revenue Cervezas

Mon, 13 Mar 2017 11:39:16 +0000

Get your taxes ready Hey, it’s tax season again! My favorite. Right up there with DMV visits season and Jury Duty season, amirite? Of course I’m being sarcastic. Tax season is one of the most complained about things that I hear around this time of year, from most people anyways. That being said, it’s also […]

The post Phishing and Eternal Revenue Cervezas appeared first on OpenDNS Umbrella Blog.




Chasing the Storm

Wed, 08 Mar 2017 20:28:35 +0000

In this blog, we’ll discuss new tactics used in Hailstorm campaigns. These new tactics include infecting systems with a trojan for sending out spam, and leveraging a single system for hosting a large number of sites in which spam recipients are directed towards.  Investigating one such system, we uncovered 11,769 hostnames with 1,719 domains (2LD+TLD), each of which may […]

The post Chasing the Storm appeared first on OpenDNS Umbrella Blog.




Rise in Bitcoin leads to more Phishing attacks

Tue, 28 Feb 2017 13:49:37 +0000

Newly Discovered Bitcoin Phishing Campaigns Analyzing the results of the OpenDNS Natural Language Processing(NLP) rank classifier, we have recently discovered new Bitcoin wallet companies that have made their way on to the list of phishing targets. We were able to identify phishing campaigns aimed at Kraken and Paxful users.   It was nice to see fraudulent domains […]

The post Rise in Bitcoin leads to more Phishing attacks appeared first on OpenDNS Umbrella Blog.