cyd.social

What It Is

Cyd is an open-source app from Lockdown Systems LLC, positioned as a tool for “taking back control of your data” from major tech platforms. It is closer to a privacy/security and attack-surface management product than a traditional network perimeter defense tool. Its core use case is to create local, searchable data backups for X and Bluesky users, then delete historical content such as tweets, posts, likes, bookmarks, direct messages, and chats as needed. It also supports migrating X tweets to Bluesky.

Core Capabilities and Security Design

In terms of protection, Cyd mainly reduces social media OSINT exposure, doxing, and harassment risks. Its key design choice is local execution: Cyd runs on the user’s computer or phone and does not process account data on its own servers. The company states that it cannot access user accounts or the data inside them. In deployment terms, Cyd for Mobile targets Bluesky, Cyd for Desktop targets X, and Facebook is marked as coming soon. It also emphasizes that it does not rely on third-party APIs from “hostile platforms” such as X or Facebook, though it does use friendly APIs such as Bluesky’s.

Management, Integrations, and Compliance

The team plan provides centralized user management and billing, supports automatic joining based on email domain, email invitations, and transferable seats. This makes it suitable for companies that want to offer privacy protection as an employee benefit. However, the captured text does not disclose SSO, SCIM, SIEM integration, audit logs, security alerts, compliance certifications, or an SLA. Its terms also state clearly that the service is provided as is, with no guarantee that backups will be complete or deletions will succeed. It also warns that content may be deleted by mistake, missed during deletion, or still retained by the platform.

Pricing and Value for Money

The free version already supports local backup and deletion of all tweets, and covers multiple X/Bluesky data-cleanup features. Premium costs $36/year and provides more granular selective deletion. The team plan costs $36/user/year plus tax. For personal privacy management, the price is low; but measured against enterprise security products, the lack of compliance, auditing, and support commitments limits its procurement value.

Pros, Cons, and Best Fit

Cyd’s strengths are that it is open source, processes data locally, has clear privacy boundaries, is focused in scope, and has transparent pricing. It is especially useful for activists, journalists, parents, long-time social media users, and people migrating from X to Bluesky. Its limitations are limited platform coverage, deletion capabilities that depend on third-party platform conditions, and no official guarantee of result accuracy. Enterprises that need strong auditing, alerting, and compliance reporting may need to pair it with other tools.

Access from China

The text does not provide information on network accessibility from mainland China, payment methods, or localization support, so its availability in China is unknown. Chinese users should first verify whether the official website, download sources, and payment flow are accessible. Alternatives include TweetDelete, Redact, Semiphemeral, Jumbo Privacy, or using the platforms’ built-in export and deletion features directly.