Security Group blog 2011

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About Opera 11.60 and new problems with some secure servers

December 11, 2011 · by Yngve Nysæter Pettersen · 11 comments

About the SVG font manipulation vulnerability that was fixed in 11.52

October 19, 2011 · by Sigbjørn Vik · 55 comments

Identify which version(s) of Opera you have tested, including which operating system versions. At least one of the tested versions should be the most recent release for the affected platforms.

The "BEAST" SSL/TLS issue

September 28, 2011 · by Sigbjørn Vik · 13 comments

When Certificate Authorities are Hacked

August 30, 2011 · by Sigbjørn Vik · 87 comments

Certificate Authorities (CAs) have a lot of responsibility, they are in charge of ensuring who can present their site as secure and verified, which they do by issuing certificates to trusted site owners. There are hundreds of CAs around the world, and it will…

TLS Prober: Email surprise

August 5, 2011 · by Yngve Nysæter Pettersen · 1 comments

TLS Prober: What is tls-testing.opera.com and what does it do?

July 27, 2011 · by Yngve Nysæter Pettersen · 5 comments

Renego: Popular, unpatched and vulnerable, an update

June 9, 2011 · by Yngve Nysæter Pettersen · 4 comments

Renego: Popular, unpatched and vulnerable sites

May 19, 2011 · by Yngve Nysæter Pettersen · 12 comments

Secure browsing like it's 1995

March 17, 2011 · by Audun Mathias Øygard · 26 comments