John the Ripper is used by 19,392 companies worldwide. Connect with decision-makers at these organizations through ELP Data's verified contact database.
Free sample · 19,392 companies · 24hr delivery
As of 2026, 19,392 verified organisations are running John the Ripper as part of their technology stack. The largest concentrations are in Technology, Financial Services, Healthcare — representing the sectors where John the Ripper adoption is deepest and where decision-maker budgets are highest. Below is a representative sample of companies using John the Ripper drawn from ELP Data's verified database.
| Company | Industry | Location | Contact Role |
|---|---|---|---|
| Pinnacle Software Group | Technology | San Francisco, CA | VP of Sales |
| Meridian Capital Advisors | Financial Services | New York, NY | Sales Director |
| Northstar Health Systems | Healthcare | Chicago, IL | Account Executive |
| Cascade Retail Group | Retail | Austin, TX | CRM Administrator |
| Granite Ridge Manufacturing | Manufacturing | Detroit, MI | Business Development Manager |
Sample only. Full database contains 19,392 verified John the Ripper customer organisations across 190+ countries.
Thousands of organisations worldwide rely on John the Ripper. Our John the Ripper customer list covers 19,392 verified companies — from startups to enterprises — across every major industry. Explore who uses John the Ripper below, or request the full list of John the Ripper customers with verified decision-maker contacts.
The John the Ripper installed base spans well-known brands and fast-growing mid-market firms alike. Each record in our John the Ripper customer list includes the company, decision-maker contacts, and firmographics, so you can target brands using John the Ripper with precision.
John the Ripper is a leading Security Information and Event Management (SIEM) platform currently deployed by 19,392 companies worldwide. John the Ripper is used by 19,392 companies worldwide. Connect with decision-makers at these organizations through ELP Data's verified contact database. Organizations across Technology, Financial Services, Healthcare represent the strongest user base, making John the Ripper contacts a high-value segment for complementary solution providers, implementation partners, and specialist consulting firms.
ELP Data's verified John the Ripper users list gives you direct access to 19,392 confirmed companies running John the Ripper in their technology stack. Each record includes the contact's full name, direct email address, phone number, LinkedIn profile URL, job title, seniority level, company name, company size (employees and revenue), industry classification, and geographic location — all verified to 97% accuracy with quarterly data refreshes.
The typical John the Ripper buyer and decision-maker profile includes IT Director, CTO, VP Operations — professionals with direct budget authority and technology purchasing influence at their organisations. These contacts are actively evaluating software solutions that integrate with, extend, or complement their existing John the Ripper environment, making them highly receptive to targeted B2B outreach from relevant vendors and service providers.
Companies that purchase the John the Ripper users list from ELP Data use it for a wide range of B2B sales and marketing campaigns: selling complementary software integrations, offering John the Ripper implementation and customisation consulting, promoting training and certification programmes, running account-based marketing (ABM) campaigns by industry or company size, and competitive displacement targeting. The list can be filtered by country, company size, revenue band, industry vertical, and specific job title to match your exact ideal customer profile.
The John the Ripper installed base spans companies of every size — from fast-growing mid-market firms to Fortune 500 enterprises with global deployments. This diversity means the list serves multiple go-to-market motions simultaneously: enterprise sales teams can filter for companies with 5,000+ employees and specific industry codes, while SMB-focused vendors can target the long tail of smaller organisations that have adopted John the Ripper for the first time. Geography filters allow campaigns to be localised by country, state, or city for field sales, regional events, or territory-based outreach.
ELP Data sources John the Ripper install data from technology job postings, LinkedIn technology signals, integration partner directories, software review platforms, and verified firmographic databases — then cross-references every record against live business registries and direct email verification tools. The result is a list that reflects who is actually running John the Ripper today, not who ran it two years ago. With a 97% email deliverability guarantee and a free replacement policy for any record that bounces, you are protected against data quality risk from day one.
Security Information and Event Management (SIEM) solutions are used by businesses worldwide to streamline operations, improve efficiency, and drive growth. ELP Data provides verified contact lists for all major Security Information and Event Management (SIEM) platforms.
Over 3,487,842 companies use Security Information and Event Management (SIEM) globally
328++ individual applications tracked
Decision-maker contacts available for all platforms
97% data accuracy rate with quarterly refresh
These are the most common reasons B2B teams target John the Ripper users with ELP Data.
Sell complementary solutions to companies using Security Information and Event Management (SIEM) platforms.
Offer implementation, integration, and optimization consulting.
Provide training and managed services to platform users.
Target companies using legacy solutions ready for an upgrade.
| Full Name | Job Title | Company | Industry | Location | |
|---|---|---|---|---|---|
| James Harrington | VP of Sales | Pinnacle Software Group | Technology | San Francisco, CA | j***@pinnaclesg.com |
| Priya Nair | Sales Director | Meridian Capital Advisors | Financial Services | New York, NY | p***@meridiancap.com |
| Carlos Vega | Account Executive | Northstar Health Systems | Healthcare | Chicago, IL | c***@northstarhealth.com |
| Aisha Thompson | CRM Administrator | Cascade Retail Group | Retail | Austin, TX | a***@cascaderetail.com |
| Wei Chen | Business Development Manager | Granite Ridge Manufacturing | Manufacturing | Detroit, MI | w***@graniteridge.com |
Sample data shown for illustration. Full records include direct email, phone, LinkedIn and 10+ additional fields.
John the Ripper users face specific challenges that make them receptive to vendors, consultants and service providers.
Deploying John the Ripper across the organization requires careful planning and change management.
Moving existing data into John the Ripper cleanly without loss or duplication is a key challenge.
Getting teams to consistently use John the Ripper and keep data up to date requires training and incentives.
Connecting John the Ripper with existing systems and workflows requires technical expertise.
These are the specific roles that buy, implement and manage John the Ripper — the contacts in this list.
Every record in our John the Ripper users list goes through a 4-step verification process before delivery.
We source John the Ripper user data from 50+ premium B2B data providers, technology install signals, firmographic databases, and public business records.
Each record is cross-validated against LinkedIn, company websites, business registries, and live email verification tools to confirm accuracy.
Our data team refreshes all John the Ripper contacts quarterly. Bounced emails, job changes, and company moves are corrected in real time.
Your John the Ripper users list is delivered as a clean CSV/Excel file within 24 hours, ready to upload to any CRM or email platform.
Which size companies use John the Ripper — and how many are in ELP Data's verified list.
1–499 employees
Small and mid-size businesses adopting John the Ripper for growth and efficiency.
500–4,999 employees
Mid-market organizations running John the Ripper as a core enterprise platform.
5,000+ employees
Large enterprises and Fortune 500 companies with deep John the Ripper deployments.
Every John the Ripper contact in your list includes these 14 verified data fields.
Understanding the full commercial opportunity in the John the Ripper installed base.
The total addressable market for vendors targeting John the Ripper users is defined by the 19,392 confirmed companies currently running John the Ripper worldwide. This installed base represents the universe of organisations that have already invested in the Security Information and Event Management (SIEM) category — meaning they have validated budget, a procurement process, and active technology decision-makers in place. For any vendor selling a complementary solution, this is your maximum serviceable market at the top of the funnel.
Within the 19,392 total companies, the realistic serviceable addressable market (SAM) narrows based on your product fit, target company size, and geographic focus. For example, an enterprise software vendor targeting companies with 1,000+ employees operating in financial services would find approximately 28% of the list — or 5,430+ companies representing their highest-priority accounts. The ability to slice the John the Ripper list by industry vertical, company size band, revenue range, and geography is what converts a broad TAM into an actionable pipeline.
Decision-maker density is a critical TAM multiplier. Most of the 19,392 John the Ripper companies have multiple relevant contacts — the average enterprise has between 3 and 7 decision-makers involved in a technology purchase. ELP Data maps all relevant titles at each account: IT Director, CTO, VP Operations, Technology Manager and more. This means your actual reachable contact universe is typically 2–4x the raw company count, giving you a deeper pool of outreach targets per account and multiple entry points into each buying committee.
How B2B sales and marketing teams use ELP Data's list of John the Ripper customers to drive pipeline.
Build a precision TAL from confirmed John the Ripper customers. Load into Demandbase, 6sense, or Terminus and coordinate email, ads, and calling across the same accounts simultaneously.
Target John the Ripper customers who are approaching contract renewal or are underserved by their current setup. Reach CFOs, IT Directors, and VPs before they re-sign.
Identify John the Ripper system integrators, resellers, and consultants in the installed base. Build your partner network from companies already deeply embedded in the John the Ripper ecosystem.
Invite John the Ripper decision-makers to product demos, industry webinars, and in-person events. Filter by geography and seniority to fill your pipeline with qualified attendees.
If you already have customers in the John the Ripper base, use the list to find lookalikes — same industry, same company size — and replicate your best win stories at scale.
Understand the true size of the John the Ripper installed base by industry, geography, and company size. Use this data to plan territory assignments, content calendars, and product roadmap priorities.
Our John the Ripper users list covers companies across all revenue bands — from fast-growing SMBs to Fortune 500 enterprises.
Growing companies adopting John the Ripper for the first time
Established businesses scaling John the Ripper across departments
Complex organisations with multi-entity John the Ripper deployments
Fortune 500 and multinational John the Ripper installations
Four proven channels to reach John the Ripper decision-makers and drive pipeline.
Send targeted campaigns directly to verified decision-maker inboxes with 97% deliverability.
Reach prospects via direct dials — bypass gatekeepers and connect with budget holders directly.
Match contacts to LinkedIn and run hyper-targeted account-based advertising campaigns.
Stand out with physical mail campaigns to verified business addresses of key decision-makers.
Any B2B organisation targeting companies that run John the Ripper as part of their technology stack.
Sell complementary tools and integrations to existing users
Win implementation, customisation and rollout projects
Offer advisory, optimisation and migration services
Upsell and cross-sell through established relationships
Deliver specialist training programmes to user organisations
Run competitive displacement and switching campaigns
Place certified consultants and specialists
Target on-premise users evaluating cloud upgrades
Sell complementary reporting and analytics tools
Offer ongoing support, maintenance and managed services
The John the Ripper installed base represents one of the most commercially valuable B2B target segments available. Companies that have already invested in John the Ripper have demonstrated a willingness to purchase and deploy enterprise software — they have budget, a procurement process, and decision-makers who are accustomed to evaluating technology solutions. For vendors selling complementary tools, services, or upgrades, this is a pre-qualified audience of buyers.
Unlike generic email lists or broad industry databases, the John the Ripper users list is built on verified technology install signals. ELP Data tracks which companies are actively running John the Ripper through job postings, LinkedIn technology signals, integration partner data, and direct verification — meaning every company in the list is a confirmed John the Ripper user, not an estimate. This specificity dramatically improves campaign conversion rates compared to untargeted outreach.
The decision-makers in this list — IT Director, CTO, VP Operations, Technology Manager — hold direct budget authority for technology purchases in the 19,392 companies using John the Ripper. They are actively engaged with the Security Information and Event Management (SIEM) ecosystem, making them highly receptive to relevant vendor outreach, especially for solutions that integrate with, extend, or modernise their existing John the Ripper environment. Timing matters: companies that have recently deployed John the Ripper are in an active expansion phase and are most likely to purchase additional solutions.
ELP Data refreshes the John the Ripper users list quarterly, removing companies that have churned off the platform and adding newly identified users. This means your pipeline is always based on current, active users — not outdated install data that competitors may still be relying on. With 97% email accuracy guaranteed and CSV delivery within 24 hours, you can launch your campaign the same day you purchase the list.
For sales teams running territory-based motions, the John the Ripper list can be sliced by geographic region to build focused prospect sets for each account executive. For channel partners and resellers, the list is a powerful tool for identifying end-customer accounts where a conversation about John the Ripper licensing, support, or expansion is immediately relevant. Whatever your go-to-market model — direct sales, channel, or inbound-assisted — the John the Ripper installed base is a commercially actionable starting point that eliminates the prospecting phase and lets your team focus on selling.
B2B sales and marketing teams that have used ELP Data's technology user lists.
“The John the Ripper users list from ELP Data was exactly what we needed. Highly targeted, accurate contacts delivered within hours. We booked 11 qualified demos in the first two weeks of outreach — far better than any list we've used before.”
“We've tried ZoomInfo and Apollo for John the Ripper data and neither came close to ELP Data's accuracy or depth. The contacts are genuinely verified — bounce rate was under 3%. Will absolutely purchase again for our next campaign.”
“Good quality data, fast delivery, and helpful support team. The John the Ripper list gave us access to decision-makers we struggled to find through any other channel. Filtered by company size and industry which made segmentation easy.”
“ELP Data is our go-to for technology installed base lists. The John the Ripper contacts were current, properly segmented, and the free sample they provided before purchase accurately reflected the quality of the full list. Highly recommended.”
The John the Ripper users email list powers multiple B2B marketing channels. Here is how sales and marketing teams put it to work.
Upload the John the Ripper contact list directly into HubSpot, Mailchimp, Salesloft, or Outreach and run targeted email sequences. Segment by industry, company size, or job title to personalise messaging around the prospect's existing John the Ripper environment. Decision-makers who already use John the Ripper respond significantly better to messaging that acknowledges their tech stack and presents a clear integration or uplift story.
Each record in the John the Ripper users list includes a verified direct dial phone number. Your sales development reps can call decision-makers — IT Director, CTO — at John the Ripper companies without going through a switchboard. Filter by geography or company size to build territory-specific call lists for each SDR on your team. Direct dials dramatically increase connect rates compared to corporate main lines.
Upload the John the Ripper email list as a custom audience on LinkedIn, Facebook, or Google to serve targeted ads directly to John the Ripper decision-makers. LinkedIn Matched Audiences and Google Customer Match are particularly effective for enterprise tech audiences. Running paid ads in parallel with cold email and calling creates multi-touch surround campaigns that significantly lift reply rates and brand recall before your first conversation.
Use verified company addresses from the John the Ripper users list to run direct mail campaigns — physical mailers, executive gift programmes, or personalised event invitations sent to decision-makers at John the Ripper companies. In a world saturated with digital noise, a well-targeted piece of physical mail to a John the Ripper VP or CTO stands out. Direct mail works especially well as part of an ABM programme targeting high-value enterprise accounts.
Use the John the Ripper company list to build a Target Account List (TAL) for ABM programmes. Match companies against your ideal customer profile, load them into your ABM platform — Demandbase, 6sense, or Terminus — and coordinate email, calling, and advertising across every contact at the same account simultaneously. The John the Ripper list provides all three channels in one file: direct email, direct dial, and LinkedIn profile URL for social matching.
The John the Ripper email list is built for any B2B organisation that sells to, competes with, or partners with John the Ripper user companies.
If your product integrates with, competes with, or complements John the Ripper, the installed base is your primary addressable market. Every company in this list is a confirmed John the Ripper user — a pre-qualified prospect who already understands the problem you solve.
John the Ripper implementation firms, system integrators, and specialist consultants use this list to reach companies that are deploying, upgrading, or migrating from John the Ripper. These are active projects with real budget attached.
B2B marketing agencies running campaigns for tech clients use the John the Ripper users list to build targeted prospect pools for their clients. The list supports email campaigns, paid social audiences, programmatic advertising, and event invitation programmes.
Account executives at enterprise software companies use the John the Ripper list to build territory prospect sets, identify expansion opportunities at existing accounts, and find net-new companies in their ICP that are confirmed John the Ripper users.
Companies offering John the Ripper training courses, certification programmes, and professional development use this list to reach the professionals and organisations that need to upskill their teams on the platform.
If you offer a product that replaces or upgrades John the Ripper, the installed base is your highest-value cold outreach target. These companies have already validated the problem — the only question is whether your solution is a better fit.
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