What's the deal with the massive Panama Papers data leak?

The email hack includes 2.6 terabytes of data, including 4.8 million email messages and 2.2 million PDFs

A data breach at Panamanian law firm Mossack Fonseca is being touted as the largest ever, at least in terms of the sheer volume of information leaked.

The leaked information allegedly details the ways dozens of high-ranking politicians, their relatives or close associates in more than 40 countries, including the U.K., France, Russia, China, and India, have used offshore companies to hide income and avoid paying taxes. Starting on Sunday, more than 100 news organizations filed reports based on the leaked information.

The numbers: The leaks reportedly cover 11.5 million confidential documents dating from the 1970s through late 2015. The 2.6 terabytes of leaked data include 4.8 million emails, 3 million database format files, 2.2 million PDFs, 1.1 million images, and 320,000 text documents.

How did the leak happen? Details are sketchy, but a representative of Mossack Fonseca has confirmed news reports saying the leak stems from an email hack. It's unclear how the email attack happened, but tests run by outside security researchers suggest Mossack Fonseca did not encrypt its emails with Transport Layer Security protocols.

An email server attack could have happened in "multiple ways," said Zak Maples, a senior security consultant at MWR InfoSecurity, a cybersecurity consultancy. It appears that the server itself was compromised instead of individual mailboxes brute-forced in password-guessing attacks, because of the volume of data compromised, he said by email.

"This breach is quite possibly a broader compromise of the organization," Maples added. "Attackers may have compromised the Mossack Fonseca network and elevated privileges to that of a domain administrator or email administrator and used these elevated privileges to access and download all the data contained on the e-mail server."

Who is the leaker? The source is unknown, likely even to the news organizations using the leaked information. The leaker reportedly communicated through encrypted chat and email.

The firm's response: Mossack Fonseca has denied wrongdoing, saying it has only assisted clients in setting up legitimate companies."While we may have been the victim of a data breach, nothing in this illegally obtained cache of documents suggests we’ve done anything wrong or illegal, and that’s very much in keeping with the global reputation we’ve worked hard to build over the past 40 years of doing business the right way," the company said in a statement. "Obviously, no one likes to have their property stolen, and we intend to do whatever we can to ensure the guilty parties are brought to justice."

Join the Good Gear Guide newsletter!

Error: Please check your email address.

Our Back to Business guide highlights the best products for you to boost your productivity at home, on the road, at the office, or in the classroom.

Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Grant Gross

IDG News Service
Show Comments

Essentials

Microsoft L5V-00027 Sculpt Ergonomic Keyboard Desktop

Learn more >

Lexar® JumpDrive® S57 USB 3.0 flash drive

Learn more >

Mobile

Lexar® JumpDrive® S45 USB 3.0 flash drive 

Learn more >

Exec

Lexar® Professional 1800x microSDHC™/microSDXC™ UHS-II cards 

Learn more >

HD Pan/Tilt Wi-Fi Camera with Night Vision NC450

Learn more >

Audio-Technica ATH-ANC70 Noise Cancelling Headphones

Learn more >

Lexar® JumpDrive® C20c USB Type-C flash drive 

Learn more >

Budget

Back To Business Guide

Click for more ›

Most Popular Reviews

Latest News Articles

Resources

PCW Evaluation Team

Michael Hargreaves

Windows 10 for Business / Dell XPS 13

I’d happily recommend this touchscreen laptop and Windows 10 as a great way to get serious work done at a desk or on the road.

Aysha Strobbe

Windows 10 / HP Spectre x360

Ultimately, I think the Windows 10 environment is excellent for me as it caters for so many different uses. The inclusion of the Xbox app is also great for when you need some downtime too!

Mark Escubio

Windows 10 / Lenovo Yoga 910

For me, the Xbox Play Anywhere is a great new feature as it allows you to play your current Xbox games with higher resolutions and better graphics without forking out extra cash for another copy. Although available titles are still scarce, but I’m sure it will grow in time.

Kathy Cassidy

STYLISTIC Q702

First impression on unpacking the Q702 test unit was the solid feel and clean, minimalist styling.

Anthony Grifoni

STYLISTIC Q572

For work use, Microsoft Word and Excel programs pre-installed on the device are adequate for preparing short documents.

Featured Content

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?