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IoA · SynAc

ACRONYM

IoA

a clue that a malicious entity has gained, or is attempting to gain, unauthorised access to the network or assets connected to the network

Updated

Jan 06, 2026

Stands for

Indicators of Attack

Senses

Sense 1Indicators of Attack▾

a clue that a malicious entity has gained, or is attempting to gain, unauthorised access to the network or assets connected to the network

a clue that a malicious entity has gained, or is attempting to gain, unauthorised access to the network or assets connected to the network

NICCS (CISA) Cybersecurity Vocabulary

NICCS (CISA) Cybersecurity Vocabulary

NICCS glossary export (CSV)

Accessed Jan 06, 2026Quoted

https://niccs.cisa.gov/rest/vocab/export-csv

NICCS is a CISA (DHS) program. Individual glossary entries include a "From" attribution (e.g., CNSSI 4009, NIST SPs, NICE Framework). Treat "From" values as upstream provenance and verify before quoting large portions of text.

Source: NICCS (CISA) Cybersecurity Vocabulary (niccs.cisa.gov).

Bibliography

NICCS (CISA) Cybersecurity Vocabulary
Accessed Jan 06, 2026Quoted
NICCS glossary export (CSV)
https://niccs.cisa.gov/rest/vocab/export-csv
NICCS is a CISA (DHS) program. Individual glossary entries include a "From" attribution (e.g., CNSSI 4009, NIST SPs, NICE Framework). Treat "From" values as upstream provenance and verify before quoting large portions of text.
Source: NICCS (CISA) Cybersecurity Vocabulary (niccs.cisa.gov).