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Illustration: Aïda Amer/Axios

TikTok patched multiple holes in its security at the end of 2019 that had left the video sharing app's accounts, videos and user information potentially exposed for most of the year, as detailed in a new report from cybersecurity research firm CheckPoint.

Why it matters: No personal data was found to be compromised, but this report provides some of the first in-depth details of security risks faced by TikTok — which is under the microscope as lawmakers criticize its Chinese ownership.

  • "We did prove that it was possible for a hacker to actually gain sensitive information," CheckPoint's Ekram Ahmed said, adding that the company has not yet found specific evidence of personal data breaches.

The big picture: TikTok's exposure depended on vulnerabilities in SMS text messaging that have confounded many other social media platforms and mobile services.

Details: CheckPoint found that attackers could delete a user's videos, create a video from a user's account, make private videos public, and scrape a user's sensitive information — like their email address, payment information or birthday.

  • TikTok implemented fixes for these issues within 30 days of CheckPoint alerting the app in late November, spokespeople for both companies told Axios.
“TikTok is committed to protecting user data. Like many organizations, we encourage responsible security researchers to privately disclose zero day vulnerabilities to us. Before public disclosure, CheckPoint agreed that all reported issues were patched in the latest version of our app. We hope that this successful resolution will encourage future collaboration with security researchers."
— Luke Deshotels, TikTok Security Team

Go deeper: TikTok's rise lands it in critics' crosshairs

Go deeper

Trump set to appear at Pennsylvania GOP hearing on voter fraud claims

President Trumpat the White House on Tuesday. Photo: Chip Somodevilla/Getty Images

President Trump is due to join his personal lawyer Rudy Giuliani in Gettysburg, Pennsylvania, Wednesday at a Republican-led state Senate Majority Policy Committee hearing to discuss alleged election irregularities.

Why it matters: This would be his first trip outside of the DMV since Election Day and comes shortly after GSA ascertained the results, formally signing off on a transition to President-elect Biden.

Scoop: Trump tells confidants he plans to pardon Michael Flynn

Photo: Alex Wroblewski/Getty Images

President Trump has told confidants he plans to pardon his former national security adviser Michael Flynn, who pleaded guilty in December 2017 to lying to the FBI about his Russian contacts, two sources with direct knowledge of the discussions tell Axios.

Behind the scenes: Sources with direct knowledge of the discussions said Flynn will be part of a series of pardons that Trump issues between now and when he leaves office.

Erica Pandey, author of @Work
10 hours ago - World

Remote work shakes up geopolitics

Illustration: Eniola Odetunde/Axios

The global adoption of remote work may leave the rising powers in the East behind.

The big picture: Despite India's and China's economic might, these countries have far fewer remote jobs than the U.S. or Europe. That's affecting the emerging economies' resilience amid the pandemic.