More Bad Password Advice and More Good Password Advice

As I was writing this, Conan the Sysadmin tweeted about passwords and the need to use secure ones. His message was simple: “Passwords and secret signs are crucial #cybersecurity defenses. Craft good ones, and use them well.” This is excellent advice and the gist of what I have shared on this blog in the past. […]
Read More ›

The Perils of Re-Using Passwords

Passwords will be with us for quite a while and so will password breaches, I’m afraid. Last week I received a notice that a site I use experienced a password breach. The email explained that the passwords themselves were encrypted, but that I should change my password on that site and any others where I […]
Read More ›

Using SSH for IoT Authentication

In a previous post, I wrote about attackers using default passwords in FTP and Telnet to compromise devices (especially IoT ones such as cameras). The compromised devices were then used to attack other devices on the Internet. I suggested users change passwords on the devices where possible but acknowledged that some were not changeable. I […]
Read More ›

Biometrics — Can You Afford to Lose a Finger?

Biometric authentication has been attracting a lot of attention recently. Every day you see people deftly swiping their thumbs over their phones to unlock them using fingerprint recognition. Iris scanning technology is being introduced to India’s national biometric ID system. It’s the largest such system in the world—with over a billion users—and is used to […]
Read More ›

Unleashing Wireshark’s Powerful Follow TCP Stream Feature

In security courses such as Learning Tree’s System and Network Security Introduction, we often hear about the insecurity of protocols such as Telnet. These older protocols send their data – including login credentials – over the network in the clear. While ssh, a secure alternative to Telnet, is used in many applications today, many sites […]
Read More ›

Type to search blog.learningtree.com

Do you mean "" ?

Sorry, no results were found for your query.

Please check your spelling and try your search again.

maltcasino maltcasino maltcasino bedava bahis güvenilir bahis siteleri canlı bahis siteleri
bedava bahis Yatırımsız Deneme Bonusu bonus veren siteler