33:35

We have created a quiz on hacking techniques.

45:29

機械オンチに「メモリ」を説明する動画#157

15:56

The truth behind why vulnerabilities keep popping up!!!!!!!!!!!

29:36

What's happening on the completely anonymous "dark web"? #160

55:57

四季報がおもしろすぎる。炎上対策の会社が上場してるの？#371