Is secure boot on the main application processor enough?

TL;DR Secure boot ensures only authentic firmware can run on a device and should form part of a layered defence strategy. Sub-systems often lack secure boot capabilities, limiting protection for non-critical processors. Focus on secure boot for the main processor; it can provide adequate security...

Expanding Use of PKI in Variety of Devices Holds Challenges

LAS VEGAS–One of the longest running jokes in the security industry is that each coming year finally will be The Year of PKI. While that one huge year never materialized, the use of PKI and digital certificates has become an integral part of how the Internet works today. But there are some...

Cisco Unity Express Cross-Site Scripting Vulnerabilities

Cisco Unity Express contains multiple vulnerabilities that could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. The vulnerabilities are due to insufficient sanitization of user-supplied input processed by the Cisco Unity Express software. An unauthenticated,...

Cisco Software Encryption Library Information Disclosure Vulnerability

Cisco software contains a vulnerability that could allow an unauthenticated, remote attacker to access sensitive information on a targeted system. The vulnerability is in the encryption library used by the vulnerable software. This library allows a portion of an encrypted packet to be sent...