Claude Sonnet 4 has been upgraded, and it can now remember up to 1 million tokens of context, but only when it's used via API. This could change in the future. This is 5x more than the previous limit.

A critical combination of legacy components could have allowed complete access to the Microsoft Entra ID tenant of every company in the world. The fatal mix included undocumented tokens called “actor ...

Report shows the importance of ensuring OAuth implementation is secure to protect against identity theft, financial fraud, and access to personal information ...