Earlier this week, 23andMe admitted that an October hack was dramatically worse than the company initially admitted, affecting 6.9 million people, not the 14,000 it first reported.
Phone numbers are a finite resource. So when one goes out of a service, there’s a good chance telecom companies will reuse it for a new phone plan. That can be a big problem on WhatsApp. In some cases, if you get your hands on a phone number that was tied to an existing WhatsApp account, you can hijack it and assume…