A new version of Tails, a live operating system that you can start on almost any computer from a USB stick or a DVD, has been released.

Tails - Tails 4.5 is out

This release fixes many security vulnerabilities. You should upgrade as soon as possible.

New features

Secure Boot

Tails now starts on computers with Secure Boot enabled.

If your Mac displays the following error:

Security settings do not allow this Mac to use an external startup disk.

Then you have to  change the settings of the Startup Security Utility of your Mac to authorize starting from Tails.

Changes and updates

• Update Tor Browser to  9.0.9.

  This update fixes several  vulnerabilities in Firefox, including  some critical ones.

  Mozilla is aware of targeted attacks in the wild abusing these vulnerabilities.

Known issues

None specific to this release.

See the list of  long-standing issues.

Tails - Tails 4.5 is out