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The Hacker News - Cybersecurity News and Analysis: secure authentication

What is AS-REP Roasting attack, really?

What is AS-REP Roasting attack, really?

September 02, 2021The Hacker News
Microsoft's Active Directory is  said to be used by 95%  of Fortune 500. As a result, it is a prime target for attackers as they look to gain access to credentials in the organization, as compromised credentials provide one of the easiest ways for hackers to access your data. A key authentication technology that underpins Microsoft Active Directory is Kerberos. Unfortunately, hackers use many different attacks against Active Directory's implementation of the Kerberos authentication protocol. One of those is AS-REP Roasting. So what is AS-REP Roasting, and how can businesses protect themselves? What is Active Directory Kerberos? Kerberos was originally developed by the Massachusetts Institute of Technology (MIT) and centered around using tickets to establish trust. Microsoft's implementation of Kerberos found in Active Directory is based on Kerberos Network Authentication Service (V5) as defined in  RFC 4120 . However, Microsoft has added to and enhanced Kerberos with it
Doctor Implanted 6 MicroChips Under His Skin to Unlock Doors and Secure Data

Doctor Implanted 6 MicroChips Under His Skin to Unlock Doors and Secure Data

August 21, 2017Swati Khandelwal
Biohacking could be a next big thing in this smart world. At the beginning of this month, several dozen employees of Three Square Market (32M) received microchip implants in their hands during a "chip party," allowing them to log into their office computers, open doors, and pay for food and drinks, by simply waving their hands, AP reported . But, biohacking is already becoming common in Russia. It has been reported that a Siberian doctor has already implanted not one, but at least six microchips underneath his skin and turned his body into a multi-functional gadget for doing a number of jobs by just a wave of his hands. Alexander Volchek , who is an obstetrician/gynaecologist in a hospital in the Novosibirsk region in Russia's north, got his first microchip implant in 2014 and since then he acquired a few more and now has a total of six chips under his skin. However, Volchek does not want to stop here and hopes to implant a cryptosystem and a glucometer mic
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