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DocEx tests defenses against document exfiltration

Published on April 20, 2025, the text describes DocEx, an APT emulation tool that simulates the exfiltration of DOCX, PPTX, XLSX, and PDF files to assess security defenses.

By Wendelmaques ·

Source: DocEx simula exfiltração de documentos sensíveis (github.com). Text prepared with AI from this source.

What happened and what to do

On April 20, 2025, the text described DocEx as an APT emulation tool for simulating the exfiltration of DOCX, PPTX, XLSX, and PDF files. Security teams can use it to assess defenses against unauthorized document transfer.

A company can establish controlled tests for these file formats, monitor access and transfers, and check whether alerts and response procedures work. Wendelmaques can help map risks, define the test scope, and implement monitoring and response workflows suited to the company’s infrastructure.

How the consultancy can help

Wendelmaques can diagnose exposure to document exfiltration and propose controlled tests, monitoring, and response-process improvements. The engagement is scoped for implementation and operation in the client’s environment.

Next step

Send a short description of your environment and concerns about sensitive documents to receive a scoped proposal.

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