Answers to frequently asked questions about regulating companies in the special public interest (UBI), i.e.

• UBI 1 (AWV-UBI)
• UBI 2 (value creation UBI)
• UBI 3 (hazardous incident UBI)

can be found in the FAQ.

To report a security incident, please use the designated reporting channel on the following page: Report UBI security incidents.

For all other questions, please feel free to contact our operative arm, which is available during normal business hours.

Contact details for our operative arm

Federal Office for Information Security
UBI Office
Postfach 20 03 63
53133 Bonn, Germany
Tel.: +49 (0)228 99 9582 4000
ubi-buero@bsi.bund.de

Encrypted e-mail communications using S/MIME

Please use the relevant certificates for S/MIME-encrypted e-mail communications via ubi-buero@bsi.bund.de:

1. Root certificate for PKI administration: PCA-1-Verwaltung-20
Validity: Sunday ‎1 ‎December ‎2019, 01:00:00 to ‎Tuesday ‎1 ‎January ‎2030, 00:59:59
Fingerprint: ‎‎ EC6D 3196 531D 284F 1666 C3B7 51CE 6ADD 8E54 EEB2

2. IVBB Berlin-Bonn Information Network intermediate certification of Deutsche Telekom AG: CA IVBB Deutsche Telekom AG 20
Validity: ‎Tuesday ‎1 ‎December ‎2020, 01:00:00 to ‎ ‎Wednesday ‎2 ‎December ‎2026, 00:59:59
Fingerprint: 209A CE24 1511 3B80 071D 5FA3 A1F7 1760 4F0E 5ABB

3. Certificate for mailbox ubi-buero@bsi.bund.de:
Validity: 18.11.2024 bis 15.11.2027
Fingerprint: 1622 8FD0 BCBA C525 064E CD12 0360 6911 D92B D82D
SMIME-Zertifikat UBI-Buero

Encrypted e-mail communications using PGP

For PGP-encrypted e-mail communications with the mailbox ubi-buero@bsi.bund.de, please use this PGP key:
Validity: 18.11.2024 to 15.11.2027
Fingerprint: ECFB 857D 50C6 31C7 337E B3B4 E662 6772 7002 8DAD

UBI-Buero 2024-2027 PGP Public-Key