Author: Tim Chen

Tim Chen has been the CEO of DomainTools since its 2009 spin-out into an independent company. Tim has over 15 years experience as a sales and operations executive in internet-driven businesses, including 8 in the domain name and DNS space. Prior to this Tim spent seven years in business development executive roles with Internet and software companies in the Bay Area, and four years in the Corporate Finance group at J.P. Morgan in New York. Originally from Rochester, New York, Tim is a graduate of Haverford College and Stanford business school. When not in the office you can usually find Tim on his bike, on his surfboard (or falling off it), or sequestered away reading entirely too much about the Buffalo Bills' draft prospects.
General Infosec

Whois Data, More Important Than Ever.

2018 has been a tough year to be a domain name Whois record. For years Whois has been a favorite and uniquely effective tool of security researchers and law enforcement…

Product Updates

One Billion Domains

A few weeks ago DomainTools saw its one billionth unique domain name. That’s a lot of domains! For context, there are about 350 million domains in existence today. Meaning there…

Company Updates General Infosec

GDPR is Now Live

In what we hope is not breaking news for anyone reading the DomainTools blog, GDPR commenced its enforcement period today. We have already seen domain name registrars and registries adjust…

General Infosec

Why Does Whois Matter For Security?

The context for why Whois data is extremely relevant for cybersecurity is not obvious to most people. Unless one has a background in DNS, threat analysis or attack attribution, or…

Product Updates

Balancing Cybersecurity and Individual Privacy – New Whois Data Protections in 2018

Whois data is at a crossroads in 2018, under duress from EU data protection regulations, from within ICANN itself, and even from the Registrars and Registries that collect and store…

Common domain based brand abuse techniques and how to avoid them Tim Chen
General Infosec

Common domain-based brand abuse techniques and how to avoid them

Brands both large and small face increasing threats and risks as intellectual property becomes more vulnerable online. According to a report issued by Interbrand, a global brand consultancy, the value…

Company Updates Product Updates

Whois and Passive DNS Data: Together Again for the First Time.

When DomainTools first launched Iris, it was an initial step in a worthy journey to deliver an increasingly powerful browser-based product for indicator enrichment, threat investigation, and actor profiling. Reception…

Company Updates

Scripting attack on DomainTools accounts

Summary: Up to 500 valid DomainTools Account email addresses may have been confirmed to an individual actor exploiting a flaw in the DomainTools membership email update process. No passwords were…

General Infosec

Make October Great Again

Remember Halloween? It used to be a fun, family-oriented holiday that included some simple, often home-made costuming and a walk through the local neighborhood so age-appropriate kids could get really…

Company Updates Product Updates

DomainTools Membership Evolution

Earlier today DomainTools announced an evolution of our membership model for individual users. Going forward DomainTools will only offer one retail membership level, the Personal Membership. I appreciate all of…