Investigatory Powers Commissioner ’s Annual Report 2019
Contents
Letter to the Prime Minister
5
1.
Introduction by the Investigatory Powers Commissioner, Sir Brian Leveson
6
2.
Legal and Policy
8
3.
Protecting confidential or privileged information
18
4.
Communications and engagement
23
5.
Office for Communications Data Authorisations (OCDA) processes and methodology
28
6.
Office for Communications Data Authorisations (OCDA) observations
31
7.
Inspection methodology
32
8.
MI5
39
9.
Secret Intelligence Service (SIS)
51
10.
Government Communications Headquarters (GCHQ)
62
11.
Ministry of Defence
73
12.
Law Enforcement Agencies and Police
76
13.
Wider public authorities
97
14.
Local authorities
104
15.
Prisons
111
16.
Warrant Granting Departments
117
17.
Technology Advisory Panel
120
18.
Errors and breaches
124
19.
Statistics
138
3