At Opera Software, we run a large number of websites for our products and services, and we like to give credit to the researchers and website testers who offer their assistance to help us tighten the security of those websites. We would like to take this opportunity to thank the researchers and testers of 2015...

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So the last weeks have been rather hectic behind the scenes in the browser security world, when Google security group found a new way to exploit a rather well known design weakness in SSLv3 published in the paper This POODLE Bites: Exploiting The SSL 3.0 Fallback. You might wonder why that would be serious, when...

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Opera 23 has been out on the stable channel for a while, and we have just released a few silent security updates as well. The first was a regular Opera security fix, the second was to take in a security patch in advance of the regular Chromium update cycle, and the third was to take...

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Opera 21 for Windows and Mac is now out on the Stable channel. As with most major releases, the main focus is on the new features, which are discussed over on the Desktop Team blog. In addition, we have included a reworking of the Address field, to cope with some situations which could have caused...

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As has been reported extensively already, OpenSSL just fixed a serious vulnerability, dubbed Heartbleed. OpenSSL is used in a variety of products used on the internet, including Opera products and servers. We want to share with you how this vulnerability has affected Opera. (tl;dr: Some internal servers, but no products or Opera user accounts.) The...

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We have just released a silent update of Opera 20, you would most likely not even have noticed. From a security perspective, we have made two interesting changes in this update. The first one regards what we call the badge, the icon to the left of the address field. In Opera 19, there were two...

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