Skip to main content

QR Codes

Ronald Bartels

"Have you ever wondered what those squares of dots or bars called "QR codes" are all about? You most likely have seen them posted on websites, printed on posters, used as mobile tickets, or on restaurant tables. How do these work, and are there risks you should be worried about? Let's find out."

* Read the full article over at SANS

Ronald Bartels

Comments

Popular posts from this blog

LDWin: Link Discovery for Windows

LDWin supports the following methods of link discovery: CDP - Cisco Discovery Protocol LLDP - Link Layer Discovery Protocol Download LDWin from here.

Battery Room Explosion

A hydrogen explosion occurred in an Uninterruptible Power Source (UPS) battery room. The explosion blew a 400 ft2 hole in the roof, collapsed numerous walls and ceilings throughout the building, and significantly damaged a large portion of the 50,000 ft2 building. Fortunately, the computer/data center was vacant at the time and there were no injuries. Read more about the explosion over at hydrogen tools here .

STG (SNMP Traffic Grapher)

This freeware utility allows monitoring of supporting SNMPv1 and SNMPv2c devices including Cisco. Intended as fast aid for network administrators who need prompt access to current information about state of network equipment. Access STG here (original site) or alternatively here .