Browsing Category: Cryptography

OpenSSL Heartbleed and the Value of CRLs

One of the consequences of the drama around the OpenSSL heartbleed vulnerability is that security experts have begun taking a hard look again at the certificate revocation process and whether it actually protects users or gives them any visibility into the validity of a given certificate. In a lot of cases, the answer is probably no.

Read more...

ICS-CERT Warns of Heartbleed Vulnerabilities in Siemens Gear

A number of ICS products from Siemens and Innominate are vulnerable to the OpenSSL heartbleed flaw, some of which do not have updates available yet. The list of products affected by the heartbleed vulnerability continues to grow by the day, with OpenVPN being one of the latest. A researcher on Friday said that he was[...]

Read more...

What Have We Learned: OpenSSL Heartbleed Bug

There’s nothing the Internet loves more than a fat, juicy story that it can sink its sharpened, yellowing canines into. And for the security community, the OpenSSL heartbleed vulnerability has been the equivalent of a 72-ounce steak. But an Internet-breaking vulnerability like this one is no good unless we can learn something from it (or[...]

Read more...

Difficulty of Detecting OpenSSL Heartbleed Attacks Adds to Problem

The list of products and sites affected by the OpenSSL heartbleed vulnerability continues to grow, and as security teams implement the patch and dig into the thornier work of revoking certificates, a new problem is emerging: It’s difficult to know whether an attacker has exploited the vulnerability on a given system.

Read more...