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OpenSSH 10.6 disables the LZ77 component of compression shared between SSH session channels after it was shown to be usable for recovering secret data. It also rejects the $ and \ characters in usernames passed through the command line to reduce the risk of shell command injection. Some automation tasks may be affected, along with other changes concerning post-quantum keys and the scp tool.
Anthropic announced Claude Opus 5.5, the first model in the Claude 5.5 family, with improvements in coding, knowledge work, and safety, and an operating cost 40% lower than Opus 5. The model is immediately available through Anthropic, Amazon Web Services, Google Cloud, and Microsoft Azure, with additional restrictions and controls for critical-use cases and cybersecurity.
Anthropic has unveiled Enterprise Frontier Safeguards, an architecture that allows organizations to retain activity data within their cloud infrastructure and under their own encryption keys, while running automated monitoring to detect abuse patterns across sessions and accounts. The rollout will begin in phases later in fall 2026, with support for Claude and multiple enterprise cloud platforms.