~lobsters | Bookmarks (7)

The Cisco C195 is a Cisco Email Security Appliance device. Its role is to act as an SMTP gateway on your network perimeter. This device (and the full range of appliance devices) is heavily locked down and prevents unauthorised code from running. Source: https://www.melbourneglobal.com.au/cisco-esa-c195-k9-esa-c195-e...

Murphy’s Law says: Anything that can go wrong will go wrong. Unfortunately, TPMs fall into the category of “anything.” You can usually tell embedded security people apart from not-embedded security people, because the not-embedded security people will say things like “this is secure because the hardware does it for ...

MMU-less Linux variant lacks security because it does not have protection or isolation mechanisms. It also does not use MPUs as they do not fit with its software model because of the design drawbacks of MPUs (\ie coarse-grained protection with fixed number of protected regions). We secure the existing MMU-less Linux version of the RISC-V port using CHERI. CHERI is a hardware-software capability-based system...