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.

Unsupervised in Austin – Digital Banking 2017

We’re on our way to Austin! Financial fraud is now a professional enterprise, with a complete ecosystem of fraud-as-a-service stealing more than $16B per year. According to a recent report, there were more than 4.2 billion records exposed globally in 2016. Fraudsters are using these stolen identities to create armies [...]

By | June 8th, 2017|Company News|0 Comments

Yinglian Xie Named Woman of Influence by the Silicon Valley Business Journal

According to the 2016 Anita Borg Institute’s Top Companies for Women Technologists program, only 21.7 percent of women hold technical roles. That’s why DataVisor, with two female cofounders and 32 percent of women in technical roles, can seem like an anomaly in the world of Silicon Valley startups. Yinglian Xie, [...]

By | May 24th, 2017|Company News|0 Comments

Infographic: The Online Fraudster’s Tool Shed

In March we released our inaugural DataVisor Online Fraud Report, which took a look at our base of more than one billion users across 172+ countries in the world, and fulfilled its mission of arming fraud fighters like our customers with some new intel on how bad actors conduct attacks. [...]

By | May 15th, 2017|Company News, Technical Posts|0 Comments

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

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 [...]

By | April 17th, 2017|Technical Posts|0 Comments

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

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 Unfortunately, tightening thresholds typically increases false negative alerts, which are real [...]

By | March 5th, 2017|Technical Posts|0 Comments

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

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 [...]

By | February 12th, 2017|Technical Posts|0 Comments

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

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 [...]

By | February 6th, 2017|Quick Takes|0 Comments

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

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 [...]

By | November 30th, 2016|Quick Takes|0 Comments

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

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 [...]

By | October 17th, 2016|Quick Takes, Technical Posts|0 Comments

Bad Account Opening: Fake Accounts and Real Big Trouble

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 [...]

By | September 15th, 2016|Quick Takes, Technical Posts|0 Comments

Spend Money to Make Money – Virtual Currency Arbitrage

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, [...]

By | August 11th, 2016|Quick Takes|0 Comments

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

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 [...]

By | August 8th, 2016|Company News, Meetups, Quick Takes|0 Comments

Mobile Fraud Gone in a (Device) Flash

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 [...]

By | July 5th, 2016|Threat Blogs|0 Comments

When Art Imitates Life – User Acquisition Fraud on “Silicon Valley”

For anyone who works in tech, especially those of us living in Bay Area, watching HBO’s hit “Silicon Valley,” can be both hilarious and cringe-inducing as you watch similarities to your own life being mocked and played out brilliantly on the small screen. This week’s episode hit a little harder [...]

By | June 28th, 2016|Quick Takes|0 Comments

BRB – Heading to CNP!

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 [...]

By | May 16th, 2016|Company News|0 Comments

DataVisor Explains How To Leverage Spark to Reveal Hidden Fraudsters

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 [...]

By | May 2nd, 2016|Company News|0 Comments

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

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 [...]

By | April 6th, 2016|Threat Blogs|0 Comments

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

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 [...]

By | March 19th, 2016|Company News|0 Comments

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

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 [...]

By | March 7th, 2016|Company News|0 Comments

Heading to #MRCVegas16? Come Meet Our Team!

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 [...]

By | March 4th, 2016|Company News|0 Comments