Mention Windscribe server incident (#2395)

Author: dngray

pages/providers/vpn.html

@@ -275,6 +275,7 @@ <h3>VPN Related breaches - why external auditing is important!</h3>
           <li><a href="https://www.comparitech.com/blog/vpn-privacy/ufo-vpn-data-exposure/">"Zero logs" VPN exposes millions of logs including user passwords, claims data is anonymous</a> July 2020 </li>
           <li><a href="https://www.zdnet.com/article/nordvpn-http-post-bug-exposed-sensitive-customer-information/">NordVPN HTTP POST bug exposed customer information, no authentication required</a> March 2020</li>
           <li><a href="https://www.theregister.com/2019/10/21/nordvpn_security_issue/">Row erupts over who to blame after NordVPN says: One of our servers was hacked via remote management tool</a> October 2019</li>
+          <li><a href="https://arstechnica.com/gadgets/2021/07/vpn-servers-seized-by-ukrainian-authorities-werent-encrypted/">VPN servers seized by Ukrainian authorities weren't encrypted and allowed authorities to impersonate Windscribe servers and capture and decrypt traffic passing through them</a> July 2021</li>
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