Cybersecurity companies using Reddit Ads: 714 found
Of the 16,355 companies using Reddit Ads we found, 714 are in Cybersecurity (4.4%). 64% are based in United States. 6.9% have more than 1,000 employees.
- 714
- Cybersecurity companies using Reddit Ads
- 4.4%
- of all 16,355 Reddit Ads advertisers in our data
- 6.9%
- have 1,000+ employees
- 64%
- headquartered in United States
Who the Cybersecurity advertisers are
Every company in this group, by business model, size, headquarters country. Sector and business-model tags can overlap.
Cybersecurity companies using Reddit Ads
20 of the 714, ordered by LinkedIn following. Inclusion means a detected tag, not a confirmed active campaign.
| Company | Industry | Size | HQ | Seen in |
|---|---|---|---|---|
Northrop Grumman northropgrumman.com | Aerospace & Defense | 10,001+ | United States | Tag manager |
Hack The Box hackthebox.com | Cybersecurity | 201–500 | United Kingdom | Tag manager |
Splunk splunk.com | Cybersecurity | 5,001–10,000 | United States | Tag manager |
Okta okta.com | Cybersecurity | 5,001–10,000 | United States | Tag manager |
OffSec offsec.com | Cybersecurity | 201–500 | United States | Tag manager |
Zscaler zscaler.com | Cybersecurity | 5,001–10,000 | United States | Tag manager |
EC-Council eccouncil.org | Cybersecurity | 1,001–5,000 | United States | Tag manager |
Check Point Software checkpoint.com | Cybersecurity | 5,001–10,000 | United States | Tag manager |
SentinelOne sentinelone.com | Cybersecurity | 1,001–5,000 | United States | Tag manager |
TrendAI trendmicro.com | Cybersecurity | 5,001–10,000 | Japan | Tag manager |
SANS Institute sans.org | Cybersecurity | 201–500 | United States | Tag manager |
ISACA isaca.org | Cybersecurity | 201–500 | United States | Tag manager |
KnowBe4 knowbe4.com | Cybersecurity | 1,001–5,000 | United States | Tag manager |
Genetec genetec.com | Cybersecurity | 1,001–5,000 | Canada | Tag manager |
Cisco Meraki meraki.cisco.com | Hardware, Semiconductors & IoT | 1,001–5,000 | United States | Tag manager |
Qualys qualys.com | Cybersecurity | 1,001–5,000 | United States | Tag manager |
Trust Wallet trustwallet.com | Emerging Tech (Web3 / AR-VR / Quantum / Space) | 51–200 | United Arab Emirates | Tag manager |
Darktrace darktrace.com | Cybersecurity | 1,001–5,000 | United Kingdom | Tag manager |
Kaseya kaseya.com | Cybersecurity | 5,001–10,000 | United States | Tag manager |
Netskope netskope.com | Cybersecurity | 1,001–5,000 | United States | Tag manager |
Every company in this group, with the marketing leaders to contact, refreshed with each monthly scan. Book a call and we'll walk you through it.
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How many Cybersecurity companies use Reddit Ads?
714, as of 7 November 2026 — 4.4% of the 16,355 companies we found carrying the Reddit Ads tag. A company counts here when Cybersecurity is one of its sectors in our classifier, so it can also appear under other sectors. This counts companies we can tie to a company profile, so it is a floor, not a market total.
Which Cybersecurity companies advertise on Reddit?
They include Northrop Grumman, Hack The Box, Splunk, Okta and OffSec. The table on this page shows 20; the full list has all 714.
Where are they headquartered?
United States (64%) and United Kingdom (7.5%) lead, out of 689 companies with a known HQ.
How big are they?
6.9% have more than 1,000 employees; the most common size band is 51–200 employees.
How do you know a company runs Reddit Ads?
We find the Reddit Ads tag in the company's tag-manager container (attributed to the container's owner) or live on its pages, then match the domain to its company profile. A tag means measurement is set up, not that a campaign is running today. Full method on the Reddit Ads study page.
Sell to the 714 Cybersecurity companies running Reddit Ads
Each one has a marketing team that buys media and measures it. RocketSDR finds the right person at every company on this list and writes the outreach.