macOS Tahoe 26.4 update stops you from copying your login Keychain
News macOS Tahoe 26.4 update stops you from copying your login Keychain Malcolm Owen 0 e-mail BlueSky Mastodon X Facebook Reddit Sun Sep 13 2026, 12:15 PM EDT · 2 minute read Password versioning in Apple Passwords Apple's changes to the Keychain in macOS Tahoe made it more secure. However, by binding it to device-specific Secure Enclave keys, users now can't manually copy the login Keychain and use it on another Mac. Attacks on Mac users are getting more sophisticated over time, with AI also opening the door to even more malware and the discovery of new intrusion techniques.
- ▪News macOS Tahoe 26.4 update stops you from copying your login Keychain Malcolm Owen 0 e-mail BlueSky Mastodon X Facebook Reddit Sun Sep 13 2026, 12:15 PM EDT · 2 minute read Password versioning in Apple Passwords Apple's changes to the Key
- ▪However, by binding it to device-specific Secure Enclave keys, users now can't manually copy the login Keychain and use it on another Mac.
- ▪Attacks on Mac users are getting more sophisticated over time, with AI also opening the door to even more malware and the discovery of new intrusion techniques.
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | AppleInsider |
| Canonical URL | https://appleinsider.com/articles/26/09/13/macos-tahoe-264-update-stops-you-from-copying-your-login-keychain?utm_source=rss |
| Publication time | Sun, 13 Sep 2026 16:15:52 +0000 |
| Retrieval time | 2026-09-13T16:16:49.960Z |
| Last seen | 2026-09-13T16:16:49.960Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | MiP6mkW-UbVI · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
News macOS Tahoe 26.4 update stops you from copying your login Keychain Malcolm Owen 0 e-mail BlueSky Mastodon X Facebook Reddit Sun Sep 13 2026, 12:15 PM EDT · 2 minute read Password versioning in Apple Passwords Apple's changes to the Keychain in macOS Tahoe made it more secure. However, by binding it to device-specific Secure Enclave keys, users now can't manually copy the login Keychain and use it on another Mac. Attacks on Mac users are getting more sophisticated over time, with AI also opening the door to even more malware and the discovery of new intrusion techniques. While Apple does work to increase the security of its operating systems and software to counter the threats, they can also become a burden to administrators.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at AppleInsider.
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