ROCA incident

RaulWalter worked closely with government authorities to develop a technical solution that enabled citizens to securely update their card keys and certificates remotely.

One of the most technically complex and high-impact projects we have undertaken was resolving the ROCA vulnerability affecting a national ID-card ecosystem. The incident impacted more than 780,000 ID cards and required rapid, scrupulous crisis management, coordinated development efforts, and the redesign of cryptographic workflows across the entire certificate chain.

RaulWalter worked closely with government authorities to develop a technical solution that enabled citizens to securely update their card keys and certificates remotely — without requiring physical card replacement or in-person appointments.

As a result, more than 680,000 cards were successfully updated, complete security was restored, and the continuity of the eID system was maintained. This project demonstrated our capability to operate under critical conditions and solve large-scale national cryptographic challenges.

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