Contact CSIRT
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You can contact Jisc (formerly Janet) CSIRT by email (preferred) or telephone during service hours; or by post.
| Email: Telephone: 0300 999 2340 | Jisc CSIRT | 
* For enquiries relating to Security Contacts please contact the Jisc Service Desk, help@jisc.ac.uk
Public key information
Jisc CSIRT uses PGP (normally GnuPG or OpenPGP) to ensure the integrity, and when appropriate the privacy, of email messages; and we encourage you to do the same when you write to us.
The public key of the team is available at public keyservers worldwide.
- CSIRT public key (opens in a new window) for the role address irt@jisc.ac.uk
 (keyID 0x4EC70D66, accessible on the international key servers).
- (Public key for the old role address irt@jisc.ac.uk, keyID 0x836D7141).
Service Hours
| 08:00 to 18:00 Monday to Friday (exceptions below) | Full service | Jisc CSIRT will respond to emails and telephone calls within one hour. | 
| 18:00 to 00:00 Monday to Friday 09:00 to 17:00 Saturday and Sunday (inclusive of Christmas) | Reduced service | Jisc CSIRT will respond to telephone calls within two hours. Incoming calls are normally routed through an answering service. | 
These are generally days observed as public holidays simultaneously in all parts of the UK. Where festivals fall on a Saturday or Sunday, the corresponding public holidays are replaced by substitute days nearby.




