Researchers have found that people can steal your fingerprints if you a flash a peace sign in your selfie. The Telegraph reported:

Researchers at Japan’s National Institute of Informatics (NII) have found that fingerprints can be easily recreated from photos taken up to three metres away without the need for advanced technology. So long as the picture is clear and well-lit, prints can be mimicked.

“Just by casually making a peace sign in front of a camera, fingerprints can become widely available,” Professor Isao Echizen, a security and digital media researcher at the NII, told local paper Sankei Shimbun.

It isn’t the first time the security of biometrics has been called into question. Back in 2015, hacker Jan “Starbug” Krissler recreated Angela Merkel’s iris from a photo and managed to unlock a test.

Unlike passwords, biometrics cannot be easily changed, prompting fears over the safety of people’s personal data.

“We shed physical biometric data wherever we go, leaving fingerprints on everything we touch, posting selfies on social media, and videos with friends and family. Much of this information can then be captured by fraudsters,” said Robert Capps, from biometrics company NuData Security.

“Once biometric data is stolen and resold on the Dark Web, the risk of inappropriate access to a user’s accounts and identity will persist for that person’s lifetime.”