Monitor Certificate Transparency logs using crt.sh and Certstream to detect phishing domains, lookalike certificates, and unauthorized certificate issuance targeting your organization.
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Low-risk findings worth noting
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tessl review fix ./skills/analyzing-certificate-transparency-for-phishing/SKILL.mdLow
Low-risk findings.
1 low severity finding. Worth noting, but not necessarily harmful.
The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.
The required runtime workflow queries **public web content** from **crt.sh** (`requests.get("https://crt.sh/", params=..., output=json)`), and then ingests the returned **JSON fields like `common_name`/`name_value`/`issuer_name`** into the agent’s processing context (and any downstream LLM report generation), which is outsider-authored data.
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