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Cybersecurity companies email list

Reach the Decision Makers Who Buy and Build Security

A verified cybersecurity companies email list covering 14,600+ security vendors, MSSPs and consultancies, with 72,000+ named contacts inside them. Filter by security category, company size, seniority and region, then reach CISOs, security architects and SOC leaders directly instead of guessing at a shared inbox.

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  • Named CISOs, security directors and SOC leaders, never a shared inbox
  • Filter by security category, company size, region and seniority
  • Weekly re-verification with bounced records credited back 1:1
  • Delivered as CSV or Excel, or pushed straight into your CRM
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The cybersecurity contact database used by SaaS vendors, channel teams, recruiters and event organizers selling into the security market

72,000+
Verified security contacts
14,600+
Cybersecurity companies
97.5%
Inbox deliverability
99%
Record accuracy at delivery
Company directory

List of Cybersecurity Companies

Cybersecurity companies build and operate the tools and services that keep organizations safe from attack, from firewalls and endpoint agents through to round-the-clock monitoring. Buyers search for them for very different reasons. Some are shopping for a vendor after a breach or a failed audit. Some are researching a market before investing or partnering. Plenty are salespeople trying to reach the security industry itself. The market divides into recognisable segments: network security, cloud security, endpoint protection, identity and access management, application security, email security, data security, threat intelligence, managed detection and response, and managed security services. The companies below span those segments and several countries. BizzContacts supplies the verified contacts behind them, plus thousands of smaller firms no public list covers.

30 cybersecurity companies by headquarters, security focus and company type. Scroll sideways on a small screen.
CompanyHeadquartersPrimary Security FocusCompany TypeOverview
Palo Alto NetworksSanta Clara, CA, USANetwork and cloud securityPublic platform vendorGrew from a next-generation firewall company into a broad platform spanning network, cloud and security operations. Buyers usually meet it during firewall refresh cycles and then evaluate the wider suite.
CrowdStrikeAustin, TX, USAEndpoint detection and responsePublic platform vendorBuilt its business on a cloud-delivered endpoint agent rather than on-premise infrastructure. Commonly the incumbent when a security team talks about replacing legacy antivirus.
FortinetSunnyvale, CA, USANetwork security and SD-WANPublic platform vendorSells a wide hardware and software portfolio anchored on its firewall line, with unusually deep reach into mid-market and distributed branch environments. Strong channel presence shapes how deals get sourced.
Check Point SoftwareTel Aviv, IsraelNetwork and threat preventionPublic platform vendorOne of the longest-established firewall vendors, still widely deployed in large enterprises and government. Its installed base makes it a frequent displacement target for newer platforms.
Cisco SecuritySan Jose, CA, USANetwork security and observabilityDivision of a public companySells security as part of a much larger networking relationship, which often means the security decision sits with an infrastructure team rather than a standalone security buyer.
Trend MicroTokyo, JapanEndpoint, cloud and server securityPublic platform vendorLong-standing presence across Asia Pacific and in server and workload protection specifically. Frequently found in hybrid estates that still run significant on-premise infrastructure.
SophosAbingdon, UKEndpoint security and MDRPrivate, sponsor-backedFocuses on mid-market organisations that need enterprise-grade protection without an enterprise security team. Its managed detection and response service is now central to the offer.
SentinelOneMountain View, CA, USAEndpoint and autonomous responsePublic platform vendorCompetes directly with the larger endpoint platforms on automated detection and rollback. Often shortlisted alongside CrowdStrike in the same evaluation.
ZscalerSan Jose, CA, USAZero trust and secure accessPublic platform vendorRoutes traffic through its own cloud rather than through appliances in a data center, which makes it a common choice during network modernisation projects. Deals frequently involve networking and security jointly.
ProofpointSunnyvale, CA, USAEmail security and data loss preventionPrivate, sponsor-backedConcentrates on the human attack surface, meaning phishing, business email compromise and insider risk. Usually bought by teams that have already been hit by an email-borne incident.
OktaSan Francisco, CA, USAIdentity and access managementPublic platform vendorProvides workforce and customer identity as a service, sitting between employees and every application they touch. Identity projects tend to pull in IT, security and application owners together.
Rapid7Boston, MA, USAVulnerability management and SecOpsPublic platform vendorCombines vulnerability management with detection and response tooling aimed at teams that are stretched thin. Popular with organisations building a first formal security programme.
TenableColumbia, MD, USAExposure and vulnerability managementPublic platform vendorBest known for scanning technology that has become a default in many compliance programmes. Its footprint often extends into operational technology environments.
QualysFoster City, CA, USAVulnerability management and compliancePublic platform vendorDelivers scanning and compliance reporting from its own cloud platform, with a long history in regulated industries. Frequently renewed on the strength of audit reporting alone.
CyberArkPetah Tikva, IsraelPrivileged access managementPublic platform vendorSpecialises in controlling the accounts that carry the most damage potential, which keeps it central to audit and insurance requirements. Deployments usually involve identity and infrastructure teams.
MimecastLondon, UKEmail security and archivingPrivate, sponsor-backedPairs email threat protection with archiving and continuity, which appeals to organisations with retention obligations. Common in professional services and financial firms.
ImpervaSan Mateo, CA, USAApplication and data securitySubsidiary of a public companyProtects web applications, APIs and databases rather than endpoints, so its buyer is often an application or data team. Now part of Thales following its 2023 acquisition.
ForcepointAustin, TX, USAData security and secure accessPrivate, sponsor-backedFocuses on data protection and user behaviour, with a substantial government and defense practice. Public sector procurement cycles shape much of its business.
TrellixMilpitas, CA, USAExtended detection and responsePrivate, sponsor-backedFormed in 2022 by combining McAfee Enterprise with FireEye, so its installed base spans both heritages. Sells an XDR platform aimed at consolidating fragmented tooling.
NetskopeSanta Clara, CA, USACloud security and SASEPrivate, venture-backedBuilt around visibility into cloud application usage, which extends naturally into secure access and data protection. Often evaluated when shadow IT becomes a board-level concern.
DarktraceCambridge, UKNetwork detection and responsePrivate, sponsor-backedApplies behavioural modelling to network traffic to flag activity that signature-based tools miss. Strong presence across Europe and in organisations without large analyst teams.
Arctic WolfEden Prairie, MN, USAManaged detection and responsePrivate, venture-backedSells security operations as a service to companies that will never staff a 24-hour SOC of their own. Its growth tracks mid-market demand for outsourced monitoring.
KnowBe4Clearwater, FL, USASecurity awareness trainingPrivate, sponsor-backedRuns phishing simulations and training programmes aimed at reducing human error rather than blocking traffic. Frequently bought by compliance and HR alongside security.
Ping IdentityDenver, CO, USAIdentity and access managementPrivate, sponsor-backedServes large enterprises with complex identity federation needs, and combined with ForgeRock in 2023 to broaden that footprint. Common in banking and healthcare estates.
BeyondTrustJohns Creek, GA, USAPrivileged access and remote supportPrivate, sponsor-backedCovers privileged access alongside secure remote support, which gives it a foothold in IT operations as well as security. Often adopted after an audit finding on admin accounts.
SecureworksAtlanta, GA, USAManaged detection and responseSubsidiary of a private companyLong-running managed security provider with deep incident response experience, acquired by Sophos in 2025. Its threat research output is widely cited across the industry.
SnykBoston, MA, USAApplication and developer securityPrivate, venture-backedTargets developers rather than security teams, embedding scanning into the tools engineers already use. Deals often start bottom-up inside an engineering organisation.
WizNew York, NY, USACloud security posture managementPrivate, venture-backedScans cloud environments without agents, which shortens the time between purchase and first useful finding. One of the fastest-adopted platforms in cloud-native organisations.
Cato NetworksTel Aviv, IsraelSASE and network securityPrivate, venture-backedDelivers networking and security as a single cloud service, appealing to companies tired of stitching appliances together. Popular with distributed mid-market businesses.
Barracuda NetworksCampbell, CA, USAEmail, network and data protectionPrivate, sponsor-backedServes small and mid-size organisations with bundled email, network and backup protection. Heavily channel-led, so partners often drive the buying conversation.

Need the decision-makers behind these companies?

We supply verified contacts at the companies above and at thousands of security vendors, MSSPs and consultancies this page does not list. Tell us the categories, regions and job titles you sell to and we will scope the match rate before you commit to anything.

Definition

What is a Cybersecurity Companies Email List?

A cybersecurity companies email list is a verified contact database of organizations that build, resell or deliver security products and services, together with the named decision makers inside them who approve and influence purchases. It is built for outreach rather than for research, so the value sits in the contact detail, not in the company profile.

A list that works has to do three things a scraped spreadsheet cannot. It has to say what kind of security company each record is, because an identity vendor and an OT security firm have almost nothing in common commercially. It has to name professionals by function, since security, IT, compliance and procurement all sit in the same buying decision but respond to completely different arguments. And it has to stay current, because this sector hires fast, gets acquired often, and rebrands more than most.

Our records carry the company, its primary security category, size and location, plus the contact name, title, department, seniority, a verified business email and a direct dial where one exists. That combination is what lets you write to a SOC manager about alert fatigue and to a compliance manager about audit evidence in the same account, without either message landing wrong.

  • Named contacts, never generic info@ addresses
  • 14 security categories tracked separately
  • Multiple contacts matched to the same company for ABM
  • Weekly re-verification with 1:1 bounce credit
Inside the database

What's Included in the Database

Every record is built to be used the day it arrives, not cleaned for a week first.

Verified company records

Security vendors, MSSPs, MDR providers, consultancies and boutique specialists, each classified by primary security category.

Named decision-makers

Security leadership, technical architects, operations managers and the adjacent IT, compliance and procurement roles that shape purchases.

Firmographic detail

Revenue band, employee size, industry classification, SIC and NAICS codes, and full location down to ZIP code.

Verified contact channels

Business email, direct dial, mobile where available and compliant, plus a public LinkedIn profile URL.

Category segmentation

Filter across all 14 tracked categories, from network and cloud security through to OT and industrial control system protection.

Delivery and support

CSV or Excel, or a direct CRM push, with columns mapped before handover and a named contact if anything looks wrong.

Data fields

Available Data Fields

Standard fields on every record. Tell us which ones you filter on and we will confirm fill rates before delivery.

First Name

Given name of the contact

Last Name

Family name of the contact

Job Title

Verified current title

Department

Security, IT, engineering, compliance or procurement

Seniority

C-level, VP, director, manager or individual contributor

Email Address

MX-tested against a live mail server

Direct Dial

Desk or direct line where available

Mobile Number

Where available and compliant to supply

LinkedIn Profile

Public profile URL for the contact

Company Name

Registered operating name

Website

Primary corporate domain

Industry

Sector classification for the employer

Revenue

Banded annual revenue

Employee Size

Banded headcount

Headquarters

Primary corporate location

Country

Country of the contact's office

State

State or province where applicable

City

City of the contact's office

Address

Street address of the office

ZIP Code

Postal code for the office

SIC Code

Standard Industrial Classification code

NAICS Code

North American Industry Classification code

Buying committee

Decision Makers You Can Target

Security purchases are rarely a single signature. These are the roles on the records, and what each one actually controls.

Chief Executive Officer

Signs off major security investment and owns board-level risk reporting.

Founder

In smaller vendors and startups, still personally involved in tooling decisions.

Co-Founder

Often the technical half of a young security company, close to build versus buy calls.

Chief Information Officer

Owns the IT budget that most security spending is drawn from.

Chief Technology Officer

Sets the technical architecture that security tooling has to fit into.

Chief Information Security Officer

The central buyer for security platforms, services and staffing.

VP of Security

Runs the security function day to day and shapes the shortlist.

VP of IT

Controls infrastructure decisions that security products depend on.

Director of Information Security

Owns policy, controls and audit readiness across the estate.

Director of Cybersecurity

Leads programme delivery and vendor evaluation.

Security Operations Manager

Owns tooling used by analysts every day, so usability decides renewals.

SOC Manager

Runs the detection and response team and its alert workflow.

Security Architect

Designs the reference architecture new products must slot into.

Cloud Security Architect

Owns security design across cloud platforms and landing zones.

DevSecOps Manager

Embeds security testing into build pipelines and developer workflow.

Infrastructure Manager

Controls the systems security tooling is deployed onto.

Network Security Manager

Owns firewalls, segmentation and secure connectivity.

Compliance Manager

Drives purchases tied to SOC 2, ISO 27001, HIPAA and PCI obligations.

Risk Manager

Quantifies exposure and often holds influence over cyber insurance requirements.

Procurement Manager

Owns supplier onboarding, contract terms and negotiation.

Market segments

Cybersecurity Categories Covered

Category is the single highest-impact filter on this data, because each segment buys and sells differently.

Network Security

Firewalls, intrusion prevention, segmentation and secure gateways protecting traffic in and out of the estate.

Cloud Security

Posture management, workload protection and configuration control across AWS, Azure and Google Cloud.

Endpoint Security

Detection and response on laptops, servers and mobile devices, replacing signature-only antivirus.

Identity and Access Management

Single sign-on, multi-factor authentication, provisioning and privileged access control.

Application Security

Code scanning, dependency analysis, API protection and web application firewalls.

Email Security

Phishing and business email compromise defence, plus archiving and continuity.

Data Security

Classification, encryption, data loss prevention and insider risk monitoring.

Threat Intelligence

Feeds, research and enrichment that give context to alerts before analysts act on them.

Managed Detection and Response

Outsourced monitoring, triage and response for teams without a 24-hour SOC.

Managed Security Services

MSSPs running security tooling and operations on behalf of their clients.

Security Awareness Training

Phishing simulation and training programmes aimed at reducing human error.

Vulnerability Management

Scanning, prioritisation and remediation tracking across infrastructure and applications.

Zero Trust Security

Architectures that verify every request rather than trusting anything inside the perimeter.

OT and ICS Security

Protection for industrial control systems, manufacturing plant and critical infrastructure.

Benefits

Benefits of Using the Database

Reach the actual buyer

Security purchases are approved by named decision makers, not shared inboxes. Every record carries a person, a title and a verified email, so your message reaches someone who can act on it.

Segment by security category

Filter to cloud security, endpoint, identity, MSSP or any of the other categories before you write. A message aimed at an identity vendor lands badly at an OT security firm.

Build proper ABM lists

Multiple contacts are matched to the same company across security, IT and procurement, which is what account-based programmes need to work.

Skip weeks of research

Company size, revenue band, category and location are already on the record, so reps qualify from the file instead of rebuilding it in a browser.

Protect sender reputation

Weekly re-verification and MX testing keep bounce rates low. In a sector this well connected, a burned sending domain is expensive to recover.

Move faster on events

Conference and webinar campaigns live or die on timing. A current list beats a large one when the invitation has a date on it.

Who buys it

Industries That Buy This Data

If your buyer works inside a security company, this is the list that reaches them.

SaaS and software companies

Selling developer tools, analytics or infrastructure software into security vendors and their engineering teams.

IT vendors and hardware manufacturers

Reaching security firms that resell, bundle or deploy hardware alongside their own products.

Cloud providers and hosting firms

Targeting security companies choosing where to run their platforms and customer environments.

Consulting and professional services

Offering implementation, audit readiness, virtual CISO or incident response support.

Marketing agencies

Running demand generation for clients that sell into the security market.

Event organizers

Filling seats at security conferences, roundtables and webinars with the right job titles.

Recruitment firms

Placing analysts, architects and security leadership, where hiring managers are the buyer.

Cybersecurity solution providers

Selling complementary tooling, or building channel and technology partnerships.

Technology distributors

Recruiting resellers and MSSP partners into a channel programme.

Why us

Why Choose BizzContacts

Compiled, not scraped

Records are built from authoritative public sources and confirmed by analysts. Nothing is scraped from the open web or bought from a broker and resold as ours.

Verified every week

Every record runs through a rolling weekly re-verification cycle, and each address is MX-tested against a live mail server before delivery.

Bounces credited 1:1

Anything that bounces inside the refresh window is credited back one for one, so you never pay twice for the same seat.

Segmented before it ships

Category, region, seniority and company size filters are applied before delivery, so nobody on your team spends a week cleaning the file.

Straight answers on coverage

If a segment is thin we say so before you buy. A smaller accurate list beats a padded one that quietly damages your domain.

Free sample first

Fifty verified records matched to your real brief, at no cost and with no card, so you can judge the data before committing.

Coverage

Geographic Coverage

Where the records sit, and which clusters matter most in each region.

31,000+

United States

Silicon Valley, Boston, Austin, Atlanta and the Washington DC corridor

8,400+

United Kingdom and Ireland

London, Cambridge and Dublin security clusters

12,600+

Europe

Germany, France, Netherlands, Nordics and Switzerland

4,200+

Israel

Tel Aviv and Herzliya, a disproportionate share of product companies

9,800+

Asia Pacific

Singapore, Japan, Australia and India

3,600+

Canada

Toronto, Ottawa and Vancouver

2,400+

Middle East and Africa

UAE, Saudi Arabia and South Africa

FAQ

Frequently Asked Questions

The questions buyers ask us most often about cybersecurity contact data.

Start with 50 verified security contacts, free

Tell us the security categories, regions and job titles you sell to. We will send 50 verified records matched to that brief inside one business day, at no cost and with no card required, so you can judge the data before you commit to anything.

Talk to the Data Team