Mike Tigas

Lead Product Developer, DevOps and Security

Photo of Mike Tigas

Mike Tigas was the Lead Product Developer, DevOps and Security at ProPublica. He also works on tools for online privacy and the liberation of public data. He is a lead developer on Tabula (a data extraction tool for PDF files) and Onion Browser (an anonymizing web browser for iOS). He was a 2013 Knight-Mozilla OpenNews Fellow and previously worked as a newsroom web developer at The Spokesman-Review (Spokane, Washington).

To send him encrypted PGP e-mail, you can use the following public key: 3966 6CC7 46E8 2D6E F94D 3C4A EA15 00E2 9090 861B (0x9090861B)

Zombie Cookie: The Tracking Cookie That You Can't Kill

An online ad company called Turn is using tracking cookies that come back to life after Verizon users have deleted them. Turn's services are used by everyone from Google to Facebook.

Open Payments Explorer: How Much Industry Money Goes to Doctors and Teaching Hospitals

Beginning in 2014, the federal government mandated that pharmaceutical and medical device manufacturers publicly report payments made to doctors and teaching hospitals. The first report covered the last five months of 2013. Use this tool to search for a company, drug or device — and compare it to another.

Everything That's Happened Since Supreme Court Ruled on Voting Rights Act

Ahead of the November midterms, we take stock of the state of voting rights across the country.

Leaked Docs Show Spyware Used to Snoop on U.S. Computers

Software created by the controversial U.K. based Gamma Group International was used to spy on computers that appear to be located in the United States.

Why We Removed the Form 990 PDFs From Nonprofit Explorer

Last month, we removed links to download Form 990 document PDFs from our Nonprofit Explorer interactive database.

Here’s One Way to Land on the NSA’s Watch List

If you downloaded the privacy software Tor in 2011, you may have been flagged to be spied on.

School Segregation After Brown

Hundreds of school districts were placed under court order to desegregate following the Supreme Court’s 1954 Brown v. Board of Education ruling. Many communities do not know the status of these orders. Use this tool to find out whether your district is or ever was under a desegregation order, and also to look at the levels of integration and segregation in your schools.

What Heartbleed Means for Newsrooms

What newsroom developers can do about the Heartbleed security bug.

The Price of an Internship

Unpaid internships can help young workers advance their career goals. But they can also vary significantly in cost and quality. Explore college internship programs at different schools across the United States — or tell us about your experience interning for academic credit.

How to Send Us Files More Securely

We’ve launched a more secure way for sources to send us sensitive messages and files.

Calculating ‘The Price of an Internship’

How much do you pay in tuition to take an internship? Here's how we calculate tuition share in "The Price of an Internship."

ER Wait Watcher

Which emergency room will see you the fastest? We've got a handy guide for impatient outpatients.

Why Develop in the Newsroom?

If you’re a software developer looking to make more of a social impact with your talents, there are plenty of exciting opportunities for you to break into the field of journalism! But what’s it like?

Announcing the Nonprofit Explorer API

Today’s update to Nonprofit Explorer also includes a free-to-use API that developers can use to access the data behind Nonprofit Explorer programmatically.

Is the U.S. Government Behind “Torsploit”?

Nonprofit Explorer

Use our database to find almost 616,000 tax-exempt organizations and see details like their executive compensation, revenue and expenses, as well as download their tax filings going back as far as 2001.

Dollars for Docs: See What Payments Your Doctor May Be Getting From Drug Companies

Has Your Doctor Received Drug Company Money?

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