Company lists · Data verified August 2026

Top 25 Cybersecurity investigation companies based in New Zealand

There are 61 cybersecurity investigation companies headquartered in New Zealand (RevenueBase, August 2026). RevenueBase tracks 487 professional contacts across them, including 268 with verified work emails and 13 with mobile numbers. Auckland is the largest hub.

This list covers cybersecurity investigation companies headquartered in New Zealand, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

61Companies
487Contacts tracked
268Verified emails
13Mobile numbers
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The 25 largest cybersecurity investigation companies based in New Zealand

Ranked by team size
Top 25 of 61 cybersecurity investigation companies based in New Zealand, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1DefendAuckland51-20011981
2Bastion Security GroupWellington51-2009364
3Aura Information SecurityWellington11-502519
4Virtuelle GroupAuckland51-2002211
5Optimatech LimitedAuckland11-50146
6Cybercure LTDWellington1-10118
7Signal Corporation LimitedWellington11-5091
8Incident Response SolutionsAuckland1-1085
9Fenrir SecurityChristchurch1-1075
10Pulse SecurityWellington1-1074
11CyberteamWellington1-1073
12Diode SecurityWellington1-1065
13Plural CyberAuckland1-1063
14Outfox LimitedParaparaumu1-1054
15Wire8 CyberAuckland1-1054
16Pākiki SecurityChristchurch1-1052
17SSSWellington51-20042
18Scope InvestigationsAuckland11-5042
19Revolution InfosecWellington1-1042
20CybercraftAuckland11-5041
21Nova Security NEW ZealandAuckland1-1032
22Cassini LimitedWellington1-1022
23Cipher SecurityAuckland11-5021
24CybercoWellington1-1021
25Division ZeroWellington1-1021

Showing 25 of 61 cybersecurity investigation companies based in New Zealand

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Cybersecurity investigation companies based in New Zealand at a glance

As of Aug 28, 2026
1-10Median size (employees)
AucklandLargest hub · 29 HQs
13Contacts with mobile numbers
1Emails re-verified in last 30 days

Companies by employee count

1-10
43
11-50
11
51-200
6
501-1,000
1

Cybersecurity investigation companies by metro

MetroCompanies
Cybersecurity investigation companies in Auckland29
Cybersecurity investigation companies in Wellington19
Cybersecurity investigation companies in Christchurch4
Cybersecurity investigation companies in Tauranga1
Cybersecurity investigation companies in Paraparaumu1
Cybersecurity investigation companies in Hamilton1
Cybersecurity investigation companies in Remote1

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “cybersecurity investigation companies”, with match quality audited by blind human judging, and headquartered in New Zealand.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity investigation companies are there based in New Zealand?

There are 61 cybersecurity investigation companies headquartered in New Zealand as of August 2026 (RevenueBase).

What is the largest company on this list?

Defend, headquartered in Auckland, tops this list with the largest team on record.

Which city has the most cybersecurity investigation companies?

Auckland leads with 29 headquartered companies, followed by Wellington (19) and Christchurch (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 268 verified decision-maker contacts tracked across these 61 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.