Articles
14. 7. 2026 (2 minutes read)
New Adobe Acrobat Reader may incorrectly evaluate qualified electronic signatures
The newer version of Adobe Acrobat Reader 26.001.21662 has brought several significant changes that are important for users who use this application for electronic signing. Verified electronic signature In the designation "qualified electronic signature" may be designated as "verified electronic signature" in the Czech…
3. 2. 2026 (1 minute read)
Change in the validity period of TLS certificates issued by I.CA
Based on the technical requirements defined by the CA/Browser Forum TLS-BR 2.1.5, of which…
13. 1. 2026 (2 minutes read)
Starcos 3.7 C3 Smart Cards - Information on encryption support in Microsoft Outlook
Giesecke&Devrient only supports the RSAES-OAEP encryption scheme for the new Starcos 3.7…
31. 10. 2025 (2 minutes read)
Announcement of the transition to stronger cryptography
Dear clients, I.CA responds to current recommendations and international standards in the…
13. 7. 2025 (1 minute read)
Change in the format of serial numbers of certificates issued by I.CA
From August 25, 2025, there will be a change in the format of serial numbers (Serial…
27. 2. 2025 (1 minute read)
Please note the EUCLEAK vulnerability
Announcement related to the EUCLEAK security issue - a cybersecurity attack on private…
