Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Armor - Armor offers cloud security through integrated managed cloud or managed security as a service for public cloud or private cloud.

netcat - Netcat is a featured networking utility which reads and writes data across network connections...

Zix - Leader in email #security | Easy-to-use solutions for #encryption, DLP, #advancedthreatprotection, archiving and BYOD security | https://t.co/7V5jQ5UfAo

Ettercap - Ettercap is a suite for man in the middle attacks on LAN.

Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.