I would recommend people use Shields UP periodically, an excellent site, especially for the paranoid
Its fairly basic. Was essential back in 1999 when people didn't have home routers and connected to high speed internet with Windows 9x machines that leaked tons of information.
Mr Gibson @ GRC Is quite good at the old hype though :-/
plusnet unlimited fibre 80/20 - Since 2 Jun 14 - Aug 15 Sync: 56575/9911 - G.INP download only 16 years UK broadband (Since 1999 ntl:cable trial), Asus RT-AC68U & HG612 - BQM - Flash Speedtest - HTML Speedtest