ByteDance has introduced a new internal policy governing AI tool usage, placing broad limits on employees who use personal accounts on external services such as Claude and Codex to access company materials. Starting this month, the company will block external AI access to all L4-level code repositories and Feishu documents across the organization. Under the new rules, AI accounts purchased by employees themselves will no longer be able to reach those internal resources. The notice was circulated internally last week and prompted discussion among some staff. Those discussions focused on permissions for external AI tools, internal information security, and the relationship between ByteDance’s in-house AI products and third-party services. ByteDance representative Hong Dingkun said internal information security was a key factor behind the change, adding that once L3 and above content is leaked, the consequences are very serious.
ByteDance has rolled out a new internal policy on AI tool usage that broadly restricts employees from using personal accounts on external AI services, including Claude and Codex, to access company materials, according to ChainCatcher.
External AI access to L4 repositories and Feishu documents to be blocked
Starting this month, ByteDance will block external AI access to all L4-level code repositories and Feishu documents across the company. AI accounts purchased by employees themselves will no longer be able to access those internal resources.
Internal notice triggered employee discussion
The notice was issued internally last week and later sparked discussion among some employees. The discussion centered on external AI tool permissions, internal information security, and the relationship between ByteDance’s own AI products and third-party tools.
Company cites information security concerns
Hong Dingkun, a ByteDance representative, said internal information security was an important factor in the adjustment, adding: "Once L3 and above content is leaked, the consequences are very serious."
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