The spokesperson also clarified that the cyberattack was not in any way related to the 2016 incident that led many to believe the company’s systems had been breached. At the time, many users reported that their computers were accessed by hackers through TeamViewer, but the company blamed the incidents on password reuse.
Why? They offer it as a fallback solution you have to explicitly enable, I can imagine it's not their focus given that the regular connection is encrypted.