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Cybercrime and Fraud Part 1: Modern Tales of Piracy and Plunder
May 06,2019
Calico Jack, Captain Blood, and Blackbeard. So many recognizable stories, books, and movies have been made about the period of stealing and looting exemplified by the golden age of piracy. Time will tell whether we see such romanticized stories of da...
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Email
Apr 18,2019
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.
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Bitcoin Bomb Scare Associated with Sextortion Scammers
Dec 14,2018
Organizations across the country are on edge today after a flurry of phony bomb threats hit several public entities Thursday, such as universities, schools and news outlets, among others. The attackers distributed malicious emails claiming to have pl...
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You've Got (Compromised) Mail!
Dec 13,2018
There are two kinds of people in this world: those who have been affected by Business Email Compromise (BEC) scams and those whodon't knowthey have been hit with BEC. It's happening all the time, in your company, right now. People are getting emails ...
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Don't Feed the Phish: Implementing DMARC
Jul 26,2018
The Challenge of implementing SPF and DKIM It's no surprise that email authentication standards such as Sender Policy Framework (SPF) and DomainKeys Identified Mail (DKIM) have not been widely adopted. However, organizations must take advantage of th...
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Attackers Evolve Tactics to Infiltrate Your Network via Email
Aug 01,2016
Email continues to be the number one business communication method and is still the number one threat vector. This ubiquitous communication technology also provides an effective path for criminal actors. Today, customers are more concerned about targ...
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Threat Spotlight: Spam Served With a Side of Dridex
Apr 06,2015
This post was authored by Nick Biasini with contributions from Kevin Brooks Overview The use of macro enabled word documents has exploded over the last year, a primary example payload being Dridex. Last week, Talos researchers identified another...
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Cisco Email Security Stays Ahead of Current Threats by Adding Stronger Snowshoe Spam Defense, AMP Enhancements, and More ...
Jan 29,2015
If you read the recently released Cisco Annual Security Report, you will have learned how spammers have adopted a "Snowshoe" strategy, using a large number of IP addresses with a low message volume per IP address, to send spam, preventing some spam s...
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Big Data in Security -Part V: Anti-Phishing in the Cloud
Dec 13,2013
In the last chapter of our five part Big Data in Security series, expert Data Scientists Brennan Evans and Mahdi Namazifar join me to discuss their work on a cloud anti-phishing solution. Phishing is a well-known historical threat. Essentia...
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Big Data in Security -Part IV: Email Auto Rule Scoring on Hadoop
Dec 12,2013
Following part three of our Big Data in Security series on graph analytics, I'm joined by expert data scientists Dazhuo Li and Jisheng Wang to talk about their work in developing an intelligent anti-spam solution using modern mach...
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The Highs and Lows of the Pump and Dump Scam
Aug 15,2013
The Internet remains an environment where it is important to keep your wits. The recent indictment of nine individuals on stock fraud charges reminds us that the pump and dump scam continues to be perpetrated [1][2]. Stock spam emails were particular...
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Expiring Albert: Recycling User IDs and the Impact on Privacy
Jun 27,2013
Within many organisations offering online services to the public, there must be a great temptation to expire redundant user accounts that occupy desirable user IDs but which are never used by their users. Presumably the user IDs have been registered ...
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