# Commission Decision (EU, Euratom) 2015/444 of 13 March 2015 on the security rules for protecting EU classified information, Annex II: LIST OF ABBREVIATIONS

Extent: E+W+S+N.I.

Acronym
Meaning
CA
Crypto Authority
CAA
Crypto Approval Authority
CCTV
Closed Circuit Television
CDA
Crypto Distribution Authority
CIS
Communication and Information Systems handling EUCI
DSA
Designated Security Authority
EUCI
EU Classified Information
FSC
Facility Security Clearance
IA
Information Assurance
IAA
Information Assurance Authority
IDS
Intrusion Detection System
IT
Information Technology
LSO
Local Security Officer
NSA
National Security Authority
PSC
Personnel Security Clearance
PSCC
Personnel Security Clearance Certificate
PSI
Programme/Project Security Instructions
RCO
Registry Control Officer
SAA
Security Accreditation Authority
SAL
Security Aspects Letter
SCG
Security Classification Guide
SecOPs
Security Operating Procedures
TA
TEMPEST Authority
TFEU
Treaty on the Functioning of the EU

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Source: https://www.legislation.gov.uk/eudn/2015/444/annex/II (the official version)
Page: https://openlegislation.uk/eu-decision-2015-444/annex-II
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.