NewMail AI — agentic threat model

Not certain from the listing — likely relies on third-party LLMs for email drafting and prioritization. The primary threat is indirect prompt injection, where malicious incoming emails manipulate the model's instructions during processing.

Not certain from the listing — claims a 'privacy-centric architecture with no data storage'. However, transient processing of sensitive email bodies, calendar events, and contact lists is required, posing risks of data leakage in transit or via memory logs.

Not certain from the listing — orchestrates actions across email, calendar, and task tools. Insecure tool integration could allow an attacker to trigger unauthorized calendar modifications or task creations via injected email instructions.

Not certain from the listing — likely hosted as a cloud-based SaaS. The critical vulnerability at this layer is the storage and handling of highly sensitive OAuth tokens granting read/write access to user inboxes and calendars.

Not certain from the listing — no details on observability or guardrails. Without real-time monitoring, malicious prompt injections or anomalous email drafting behaviors could go unnoticed by the user.

Not certain from the listing — claims to be 'Secure by Design' but does not list formal compliance certifications (e.g., SOC 2, GDPR). Strict OAuth scope limitation is required to ensure the agent does not possess over-privileged access.

Not certain from the listing — operates as a horizontal personal assistant. Risks at this layer are low unless it interacts with other automated email agents, which could lead to cascading automated loops or trust exploitation.