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. [...]

Don’t Be Taken to the Cleaners – Anatomy of Money Laundering

By | September 22nd, 2016|Meetups, Quick Takes|

Money laundering is big business. Criminals use money laundering to cover up funds acquired through illegal activity and make it appear as if they were generated through legitimate and legal means. The fraudster aims to conceal that the funds exist, how he or she acquired them and where they are stored. Whether it’s Walter White [...]

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 has been harsh. While the ethical issues with the Wells Fargo scandal are [...]

A Guide To Hiring Your Fraud Team Part 2: Automate, Motivate and Innovate

By | September 7th, 2016|Meetups, Technical Posts|

Matching wits with a nefarious user. Solving a puzzle where you have to find missing clues. Determining what steps they’ll take next. Getting an adrenaline rush when hot on the trail of a bad guy. Protecting good customers and keeping them safe. These all describe a typical day in the life of a fraud analyst. [...]

What We Learned: Fraud Fighting Tools Webinar

By | August 29th, 2016|Meetups, Quick Takes|

Our first webinar is in the books! In our Fraud Fighting Tools Webinar, DataVisor co-founder and CTO Fang Yu and I broke down four major tools for fraud detection: Reputation Lists, Rules Engines, Supervised Machine Learning, and Unsupervised Analytics. Based on my blog post, “Unsupervised Analytics: Moving Beyond Rules Engines and Learning Models,” we looked [...]

Where to Begin – A Guide to Hiring and Building Your Fraud Team

By | August 17th, 2016|Meetups, Quick Takes, Technical Posts|

In my last post, I talked about technology and, in particular, components in a fraud-detection architecture. But when it comes to building a fraud strategy, it’s not just about technology. Perhaps equally, if not more, important are the people who analyze and review cases to catch fraudsters. This post is part one of a two [...]

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 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 on in-app purchases [...]

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 [...]

Unsupervised Analytics: Moving Beyond Rules Engines and Learning Models

By | August 1st, 2016|Technical Posts|

Rules engines, machine learning models, ID verification, or reputation lookups (e.g. email, IP blacklists and whitelists)? I've often been asked which one to use and should you only go with one over the others. There is a place for each to provide value and you should anticipate incorporating some combination of these fraud solutions along [...]

If You Pay For Users, You Should Pay Attention to UA Fraud

By | July 26th, 2016|Meetups|

As we heard in our last meetup, the priority for any online marketplace or community is protecting its users. Significant resources are spent on time, technology and policies to make sure that users are safe, happy and secure. Since users are also the baseline by which many of these marketplaces, games and communities are judged and [...]

Community First – Priorities When Protecting an Online Marketplace

By | July 19th, 2016|Meetups|

When building an online marketplace, there are a few rites of passage to go through that are pretty ubiquitous. First, you try to build traction and attract more users. Once you do that, you’ll hit a milestone, be it one million users, one million transactions, or anything of the like  that is momentous and serves [...]

Online Marketplaces, New Opportunities for Fraud

By | July 12th, 2016|Meetups|

Whether you need to buy something, get a ride, sleep somewhere, or just get someone else’s perspective on where to eat dinner, there are no shortage of options online. The explosion of the peer-to-peer and sharing economies provide more than just new opportunities for you, it also creates a fertile ground for fraudsters to send [...]

Mobile Fraudsters Gone in a (Device) Flash

By | July 5th, 2016|Threat Blogs|

A version of this post appears in both Mobile Commerce Daily and Mobile Marketer.  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 fraud detection. The goal is to recognize “bad” devices used by fraudsters, such that they can be [...]

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

By | June 28th, 2016|Quick Takes|

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 for us at DataVisor as [...]

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 [...]

April Meetup – Build or Buy, You Need to Be Prepared

By | May 2nd, 2016|Meetups|

Last week we held our second Trust and Safety Meetup, this time in the South Bay, at the offices of Upwork. The event was a success, filled with pizza, a panel packed with experts and a great networking and information sharing opportunity for our group. Never fight fraud without warming up first. We [...]

Are You Paying for Fake App Installs?

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 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 protect companies from online fraud. Presented by O’Reilly and Cloudera, Strata + Hadoop World is where technologists from businesses [...]