About The DataVisor Team

The DataVisor Team consists of an elite group of security researchers who are on the front lines of online fraud detection and are regularly discovering advanced techniques used to conduct a variety of fraudulent campaigns. The DataVisor technical blog is designed to educate the security community on these new attack methods and how best to prevent them in the future.

AML Data Quality: The Challenge of Fitting a Square Peg into a Round Hole

By | April 17th, 2017|Technical Posts|

As mentioned in my previous articles, traditional rule-based transaction monitoring systems (TMS) have architectural limitations which make them prone to false positives and false negatives: Naive rules create a plague of false positives that are expensive for investigators to sift through Sophisticated money launderers know how to circumvent rule-based systems leading to false negatives and [...]

Guest Post: The Other Elephant in the Room: Defeating False Negatives in AML Systems

By | March 5th, 2017|Technical Posts|

False positives have a terrible reputation among anti-money laundering (AML) circles. As mentioned in my previous article on ending the false positive alerts plague, approximately 90-95 percent of alerts generated by Transaction Monitoring Systems (TMS) are false positives. So, why don’t we tighten our rule thresholds to let fewer alerts through? Image Source [...]

Guest Post: End the False Positive Alerts Plague in Anti-Money Laundering (AML) Systems

By | February 12th, 2017|Technical Posts|

Keith Furst is the Founder of Data Derivatives, and has years of experience within a variety of financial institutions including Tier One wholesale banks, investment banks, foreign bank branches, commercial banks, retail banks, broker-dealers, prepaid card providers and merchant acquirers with a focus on implementing, fine tuning and validating financial crime systems. His forte relates [...]

Guest Post: Look at the Bricks Again – Inside the Mind of a Fraudster

By | February 6th, 2017|Quick Takes|

This is a guest post from Zack Pumerantz, fraud prevention manager at FanDuel. At FanDuel, Zack is responsible for proactive investigation, chargebacks, reporting and training his quickly growing team of cyber crime specialists.  Zack's team brings to the table a ruthless drive to catch criminals, a focused approach and team chemistry reminiscent of the '96 Bulls. [...]

Datavisor’s Fraud Trends and Predictions for 2017 – Thoughts on What’s Ahead

By | November 30th, 2016|Quick Takes|

Predictions season is upon us once again and after some successful speculation for 2016, we decided to take another Nostradamus-like crack at it again with what we predict will happen in the world of online fraud trends in 2017. Fraud and security are interesting areas in which to try to make predictions since the enemy [...]

Guest Post: Lock It Down and Smarten Up – Best Practices for Online Security

By | October 17th, 2016|Quick Takes, Technical Posts|

This is a guest post from Zack Pumerantz, fraud prevention manager at FanDuel. At FanDuel, Zack is responsible for proactive investigation, chargebacks, reporting and training his quickly growing team of cyber crime specialists.  Zack's team brings to the table a ruthless drive to catch criminals, a focused approach and team chemistry reminiscent of the '96 Bulls. [...]

Bad Account Opening: Fake Accounts and Real Big Trouble

By | September 15th, 2016|Quick Takes, Technical Posts|

Wells, wells, wells, what do we have here? Last week the news broke that Wells Fargo had “been hit with $185 million in civil penalties for secretly opening millions of unauthorized deposit and credit card accounts that harmed customers,” and the backlash caused by the account opening has been harsh. While the ethical issues with the [...]

Spend Money to Make Money – Virtual Currency Arbitrage

By | August 11th, 2016|Quick Takes|

There’s an article in the Wall Street Journal today that takes on how virtual currency in internationally popular games, such as the near ubiquitous Pokémon Go, can cause interesting financial dilemmas for their creators. The article, “Pokémon Go Illustrates a Currency Problem,” highlights how Nintendo, the company behind Pokémon Go, could face making less money [...]

How Risky is Your UA Business? Introducing the User Acquisition Fraud Calculator

By | August 8th, 2016|Company News, Meetups, Quick Takes|

One of the things we heard repeatedly during our most recent meetup on User Acquisition Fraud was frustration at not knowing where a company stands in terms of fraudulent users. It was clear that people want to fix or address any fraud issues, but aren’t quite sure if they have any fraud issues at all. How big [...]

Mobile Fraud Gone in a (Device) Flash

By | July 5th, 2016|Threat Blogs|

Device fingerprinting, i.e., collecting information from a device for the purposes of identification, is one of the main techniques used by online services for mobile fraud detection. The goal is to recognize “bad” devices used by fraudsters, such that they can be identified even when other attributes (such as user names or IP addresses) change. [...]

BRB – Heading to CNP!

By | May 16th, 2016|Company News|

Fraudsters never rest and neither do we. We’re hitting the road again, this time heading to Orlando for the 2016 CNP Expo. We’ll be joining more than 1,000 industry professionals and executives representing e-commerce, m-commerce and omnichannel merchants and the service providers that support them to learn about the most recent trends, technology and best [...]

DataVisor Taps New VP to Power Sales and Success

By | May 12th, 2016|Company News|

Paul Patterson to lead sales and meet rising demand for unsupervised fraud detection MOUNTAIN VIEW, CA–(May 12, 2016) – DataVisor today announced that veteran sales leader Paul Patterson has joined its executive team as vice president of sales and success. Patterson, with more than 20 years of sales industry experience, will be a driving force in growing DataVisor’s client base and helping those clients be successful in the fight against fraud. […]

DataVisor Explains How To Leverage Spark to Reveal Hidden Fraudsters

By | May 2nd, 2016|Company News|

Recently, DataVisor CEO and Co-Founder Yinglian Xie had the opportunity to speak at  Strata+Hadoop World in San Jose and discuss how we leverage Spark to catch even the most advanced fraudsters lurking in today’s online services. One of the main issues with today’s consumer-facing websites and mobile apps is that they are measured by the [...]

Are You Paying for Fake App Installs? What You Can Do About Install Fraud

By | April 6th, 2016|Threat Blogs|

A version of this post also appeared on Mobile Advertising Watch. The mobile app landscape is extremely competitive. With more than three million apps available today in the major app stores, a new app has slim chances of standing out and making it to the top of the charts. Install ad campaigns are increasingly popular (if [...]

We’re Talking Online Fraud Prevention with Spark at Strata + Hadoop World

By | March 19th, 2016|Company News|

After a successful launch of our DataVisor User Analytics Service at MRC earlier this month, we’re heading to Strata + Hadoop World in San Jose this week to talk about how we are using Spark to provide online fraud prevention. Presented by O’Reilly and Cloudera, Strata + Hadoop World is where technologists from businesses of all [...]

DataVisor Revolutionizes Fraud Detection Software to Catch “Sleeper Cells” Before They Strike

By | March 7th, 2016|Company News|

DataVisor announces the first fraud detection software solution that leverages unsupervised analytics to detect online fraud campaigns at incubation stages MOUNTAIN VIEW, CA--(March 7, 2016) - DataVisor today announced the general availability of the DataVisor User Analytics Service, a solution that catches fraudulent user accounts at incubation stages for consumer-facing online services. The new fraud [...]

Heading to #MRCVegas16? Come Meet Our Team!

By | March 4th, 2016|Company News|

Next week, join the DataVisor team at MRC Vegas, the largest global event focused on payments and financial services innovation for connected commerce at the intersection of mobile, retail, marketing services, data and technology. In addition to exhibiting (Booth #229), our CEO and Co-Founder Yinglian Xie will be presenting a session on “Detecting Sleeper Cells [...]

Account Takeover Fraud: The Anatomy of an ATO Attack

By | February 24th, 2016|Threat Blogs|

As we mentioned in our recent Predictions for 2016, it’s likely that account takeover fraud (ATO fraud) will skyrocket this year as result of the many data breaches we witnessed in 2015. Cybercriminals put the work into stealing your data, now it’s time to put that data to work for them. Account takeover fraud fuels the underground [...]

Virtual Goods, Real Fraud | Virtual Currency Fraud, Currency Arbitrage

By | January 21st, 2016|Threat Blogs|

The recent announcement from Activision Blizzard to acquire King Digital Entertainment, maker of the hit game Candy Crush, for a staggering $5.9 billion certainly turned some heads. Is there really that much money in the mobile gaming industry? In a word, yes, but it’s not just the game makers who look to profit. With the [...]

Cyber Attackers Turn Location-Based Services Against You with Spam Account Profiles

By | December 1st, 2015|Threat Blogs|

  Image source: Facebook Social spam is not new. We've all experienced our share of unsolicited comments, stranger friend requests, phishing links, fake reviews, and click-baiting. But as online services introduce new features to make connecting and sharing content easier than ever, social spam is rapidly taking on new shapes and forms from [...]