All posts by thecybersecurityman

The Sony Pictures Entertainment Hack: A Look at the Evidence We Have

Note: Much of this information comes from an official affidavit, The United States of America vs. Park Jin Hyok, also known as ("aka") "Jin Hyok Park," aka "Pak Jin Hek," (United States District Court for the Central District of Caliornia June 8, 2018). If you want to review the entire 179-page document, it's available at https://www.justice.gov/opa/press-release/file/1092091/download. The ...

Security Researchers Confirm an Additional 7,500 Hacked MikroTik Routers Spying on Network Traffic

MikroTik is a Latvian company which was founded in 1996 to develop routers and wireless ISP systems. The company is predominantly known for its RouterOS software system. With distributors located all around the world, including the United States, MikroTik should sound fairly familiar even though this is primarily a Cisco-dominant networking world. In July, researchers ...

VLAN Configurations, Trunk Links, and 802.1q Encapsulation

A "VLAN" is short for a "Virtual Local Area Network." You can think of them just like an ordinary LAN where each LAN is its own subnet and broadcast domain; however, a VLAN is a virtual LAN. Take a look at the network design below. This is a 10.0.0.0/24 network, which gives us 1 subnet ...