Tuta Mail Prepares Legal Action Against EU Over Chat Control Threat to Encryption

The German encrypted email provider Tuta Mail has announced its readiness to take legal action against the European Union if the proposed child sexual abuse material (CSAM) scanning bill, known as Chat Control, is enacted. This controversial legislation has drawn significant criticism for its potential to compromise encryption protections. As EU member states prepare to discuss their positions on the bill on September 12, the proposal could be adopted as early as October 2025, raising concerns among privacy advocates and tech experts.
Concerns Over Encryption and Privacy
Tuta Mail’s CEO, Matthias Pfau, has voiced strong opposition to the Chat Control proposal, emphasizing the importance of encryption for user privacy. He stated, “We will not stand by while the EU destroys encryption.” The bill mandates that all messaging services operating within the EU must scan user communications for CSAM, even if those communications are encrypted. This requirement has alarmed many in the tech community, who argue that it undermines the very foundation of secure communication. Pfau indicated that Tuta Mail would either pursue legal action to protect user privacy or exit the EU market altogether, as compromising their encryption standards is not an option.
The backlash against the proposal is not limited to Tuta Mail. Over 500 cryptography experts recently signed an open letter urging the EU Council to reconsider the bill in its current form. The proposal, first introduced in 2022, has evolved, with the Danish version currently seen as the most likely to pass. Despite growing opposition, support for the bill remains strong among several EU member states.
EU Member States’ Positions
As the EU Council prepares to share its final positions on the Chat Control bill, the dynamics among member states are complex. Currently, 15 countries, including influential members like France, Italy, and Spain, support the legislation. In contrast, six countries, including Austria, Belgium, and the Netherlands, oppose it, while six others, including Germany and Greece, remain undecided. Germany’s stance is particularly critical, as it holds the potential to either block or support the bill.
Reports suggest that Germany may abstain from taking a definitive position during the upcoming meeting, which could weaken the Danish mandate for the proposal. Pfau expressed concern about the new German government’s lack of clear opposition to the bill, contrasting it with the previous administration’s stance. He noted that the current government might lean towards supporting Chat Control, despite its potential infringement on privacy rights guaranteed by the German Constitution.
The Implications of Mandatory Scanning
The implications of mandatory scanning for encrypted communications are significant. Experts warn that such measures could severely undermine the encryption technologies used by various messaging platforms, including Tuta Mail, Proton Mail, and Signal. These technologies are designed to protect user privacy and secure communications from unauthorized access. The introduction of scanning and detection technologies could create vulnerabilities that malicious actors could exploit.
Pfau highlighted the paradox of the German government’s support for encryption initiatives while simultaneously considering legislation that could dismantle those protections. He pointed out that the government had previously invested โฌ1.5 million in developing a post-quantum encryption solution, raising questions about the consistency of its policies. The ongoing debate around the Chat Control proposal underscores the tension between combating child exploitation and preserving individual privacy rights.
As the EU moves closer to a decision, the outcome of this legislation could have far-reaching consequences for digital privacy and security across Europe.
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