Wi fi flaw

https://www.bestvpn.com/wpa2-wifi-not-secure/

“Is It Time to Panic?

Yes and no. This is a very serious vulnerability, which affects almost every WiFi user. It makes all our data insecure and could be used by malicious actors to launch wide-scale disruptive attacks on online communities.

On the other hand, there are some silver linings:

• Attacks can be carried out only in close proximity to a WiFi network. The fact that remote attacks are not possible will necessarily limit the amount of damage that a malicious entity can do.
• Connections to HTTPS websites remain secure. This almost certainly means sensitive data such your bank details, online shopping details, and emails are secure.
• Connections protected by a Virtual Private Network (VPN) are secure.

It should also be noted that some devices are affected worse than others:

• Android 6.0 (Marshmallow) and Linux devices are particularly badly affected, as they’re also vulnerable to an additional bug. This results in the encryption key being rewritten to all-zeros, which makes it trivial to hack.
• Windows and iOS devices are the least badly affected because they implement WPA2 in a non-standard way (that, incidentally, violates the 802.11 standard).”

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