🤝 Co-Seal Intelligence

Who is co-sealing with whom — by year and quarter
Joint Publications
222
with 2+ co-sealers
Agencies Tracked
64
across 2024, 2025, 2026
Most Active Agency
CISA
194 joint publications
Top Co-Seal Pair
CISA + FBI
128 publications together
Unique Pairs
672
agency combinations
Co-Seal Activity by Year
Co-Seal Activity by Quarter
Top Co-Sealing Pairs by Year

2024

CISA + FBI
54
CISA + NSA
31
FBI + NSA
27
ASD/ACSC + CISA
24
CISA + NCSC-UK
19
CCCS + CISA
18
CCCS + NCSC-UK
18
ASD/ACSC + CCCS
17
ASD/ACSC + FBI
17
NCSC-UK + NSA
17
ASD/ACSC + NCSC-UK
16
ASD/ACSC + NSA
16
CCCS + FBI
16
CCCS + NSA
16
FBI + NCSC-UK
16

2025

CISA + FBI
53
CISA + NSA
34
FBI + NSA
28
ASD/ACSC + FBI
25
ASD/ACSC + CCCS
24
ASD/ACSC + CISA
23
ASD/ACSC + NSA
23
CCCS + FBI
22
ASD/ACSC + NCSC-UK
21
CCCS + CISA
21
CCCS + NSA
21
ASD/ACSC + NCSC-NZ
20
FBI + NCSC-NZ
19
CCCS + NCSC-NZ
18
CCCS + NCSC-UK
18

2026

CISA + FBI
21
CISA + NSA
19
ASD/ACSC + CISA
16
CISA + NCSC-UK
14
ASD/ACSC + NSA
13
ASD/ACSC + CCCS
12
CCCS + NCSC-UK
12
ASD/ACSC + NCSC-UK
11
CCCS + CISA
11
FBI + NSA
11
ASD/ACSC + FBI
10
ASD/ACSC + NCSC-NZ
10
CCCS + NCSC-NZ
10
FBI + NCSC-UK
10
NCSC-NZ + NCSC-UK
10

All Time

CISA + FBI
128
CISA + NSA
84
FBI + NSA
66
ASD/ACSC + CISA
63
ASD/ACSC + CCCS
53
ASD/ACSC + FBI
52
ASD/ACSC + NSA
52
CISA + NCSC-UK
51
CCCS + CISA
50
ASD/ACSC + NCSC-UK
48
CCCS + NCSC-UK
48
CCCS + NSA
46
CCCS + FBI
45
NCSC-UK + NSA
45
ASD/ACSC + NCSC-NZ
44
Agency Co-Seal Participation
Agency 2024 Publications 2025 Publications 2026 Publications All Time
CISA 90 69 35 194
FBI 61 60 25 146
NSA 36 40 22 98
ASD/ACSC 26 30 20 76
NCSC-UK 23 24 19 66
CCCS 21 27 13 61
NCSC-NZ 14 20 10 44
MS-ISAC 12 9 — 21
DC3 6 10 4 20
EPA 7 7 3 17
BSI 1 11 4 16
JPCERT/CC 13 1 — 14
DOE 5 6 3 14
HHS 6 5 2 13
NCSC-NL 2 7 3 12
CSA 8 2 1 11
MIVD 4 4 3 11
CNMF 8 — 2 10
AIVD 2 3 5 10
NUKIB — 7 1 8
NCO — 4 4 8
NIST 4 2 1 7
NIS 5 1 1 7
TSA 4 1 1 6
EC3 2 3 — 5
USDA 3 — 2 5
CERT-EU 3 — 2 5
SKW — 4 1 5
NCSC 2 — 2 4
Treasury 3 — 1 4
DHS 1 3 — 4
USCC 2 2 — 4
ANSSI — 2 2 4
AISE — 3 1 4
AISI — 3 1 4
AW — 3 1 4
CNI — 3 1 4
SUPO — 3 1 4
NPA 2 — 1 3
AFP 1 2 — 3
NCSC-SE — — 3 3
NISC 1 — 1 2
ONCD 2 — — 2
DDIS — 1 1 2
EFIS — 1 1 2
USCG — 2 — 2
USSS — — 2 2
OFAC 1 — — 1
FMC 1 — — 1
BND 1 — — 1
CSE 1 — — 1
DARPA — 1 — 1
RCMP — 1 — 1
CGCYBER — 1 — 1
FEMA — 1 — 1
ACN — — 1 1
DCSA — — 1 1
DGSI — — 1 1
FDI — — 1 1
NCIS — — 1 1
SIS RM — — 1 1
NTIA — — 1 1
KNPA — — 1 1
EWS — — 1 1