Surveillance Oversight Database

CONTENTS

Page
EXECUTIVE SUMMARY

1

1. INTRODUCTION

2

2. POWERS UNDER REVIEW

20

3. PREVIOUS ASSESSMENTS

47

4. CRITERIA FOR DETERMINING UTILITY

72

5. ASSESSMENT: BULK INTERCEPTION

80

6. ASSESSMENT: BULK ACQUISITION

92

7. ASSESSMENT: BULK EQUIPMENT INTERFERENCE

103

8. ASSESSMENT: BULK PERSONAL DATASETS

111

9. CONCLUSIONS AND RECOMMENDATION

119

ANNEXES
Annex 1:

List of Acronyms

131

Annex 2:

Terms of Reference

135

Annex 3:

Exchange of letters

137

Annex 4:

Structured Description of Intelligence Work

141

Annex 5:

MI5 statement on utility

145

Annex 6:

MI6 statement on utility

149

Annex 7:

GCHQ statement on utility

151

Annex 8:

Case Studies – Bulk Interception

157

Annex 9:

Case Studies – Bulk Acquisition

169

Annex 10:

Case Studies – Bulk Equipment Interference

183

Annex 11:

Case Studies – Bulk Personal Datasets

191