# Charles J. French

Charles J. French writes about protecting organizations from phone-based cyber threats, including vishing, voice impersonation and unwanted calls. Their posts connect voice security to healthcare operations and patient safety, and discuss Mutare’s work in this area.

- Profile: https://b2binfluencer.marketing/creators/charles-j-french/
- LinkedIn: https://www.linkedin.com/in/chuckfrench
- LinkedIn followers: 2,831
- Topics: cybersecurity, healthcare, social-engineering
- Based on 13 dated posts, latest 2026-09-24

## Summary

Charles J. French is most useful for explaining phone-based cyber threats to hospital leaders and linking voice security to patient safety.

- Best for: Healthcare cybersecurity vendors selling voice-channel threat defense through hospital leader webinars or thought leadership.
- Not for: Independent side-by-side product tests, published pricing, lab comparisons, scored verdicts, or long-form video sponsorship campaigns.
- Check first: Confirm audience breakdown by employer type and role, comparable post engagement, and commercial route.

### Takeaways

- Voice security is where email security was 25 years ago, before phishing defenses became standard.
- A help-desk impersonation attack captures credentials and an active MFA session, followed by a 72-hour ransom clock.
- Hospital phone security affects nurses, patients, experience measures, HCAHPS scores and Value-Based Purchasing.

## Main ideas

- **The phone is the security gap left behind**: French compares today’s voice channel with email before secure email gateways became standard. Their point is that spam can develop into phishing and more serious attacks, and that awareness training alone does not stop malicious traffic before it reaches people.
- **A convincing call can get around controls built for other attacks**: French emphasizes that attackers can begin with a phone call rather than malware. The risk is not only a cloned voice: a caller posing as internal IT can persuade an employee to hand over credentials and an active MFA session.
- **Hospital phone security affects care, not only IT**: French links unwanted and deceptive calls to interruptions in clinical work and the patient experience. That framing brings nursing, clinical, and patient-experience leaders into a discussion often treated as an IT or security concern.
- **As software defenses improve, attackers may target people instead**: French welcomes efforts to find and fix software vulnerabilities, but argues that attackers can shift toward the human voice channel. They use this contrast to explain why protecting software does not remove the need to consider social engineering by phone.

## Work to read

- [Voice security is where email security was 25 years ago](https://www.linkedin.com/posts/chuckfrench_voice-threat-survey-2026-mutare-activity-7490772356613898240-9h1V)
- [Project Glasswing and the human channel AI can't patch](https://www.linkedin.com/posts/chuckfrench_voicesecurity-socialengineering-cybersecurity-activity-7449552658144591872-oZWP)
- [Nuisance calls as a clinical and reimbursement problem](https://www.linkedin.com/posts/chuckfrench_himss26-himss-healthcarecybersecurity-activity-7436194772077383680-ccjK)
- [Hospitals spend millions on MFA—attackers just call the help desk](https://www.linkedin.com/posts/chuckfrench_voicesecurity-vishing-ciso-activity-7475937957900910593-uwKK)
- [Showing up where the security channel already is: Cisco Live](https://www.linkedin.com/posts/chuckfrench_ciscolive-voicesecurity-ciscolive-activity-7467695008180064257-k2D2)

## Brand relationships

- **Mutare, Inc.** (disclosed_partnership)
- **Cisco** (mention)
- **American Hospital Association** (mention)

## Partnerships

Charles J. French's posts present them as a representative of Mutare, a voice-security vendor, and show vendor-side collaboration patterns rather than an open sponsorship program. Across six posts, they promote Mutare's Voice Traffic Filter, distribute the company's 2026 Voice Threat Survey, promote trade-show appearances with specific booth locations, and credit a named technology partner, Cisco. They also state Mutare's status as an American Hospital Association Preferred Cybersecurity & Risk Provider for voice security. The posts disclose no rate card, media kit, sponsorship policy, audience package, booking process, or payment terms. They show formats for Mutare and its named partners, not that outside brands can buy placements in French's feed. One post invites readers to make contact about voice-security exposure, but publishes no official partnership or inquiry link. Before planning spend, ask directly about availability, pricing, disclosure requirements, and how to inquire about a partnership.

## Alternatives

- John C.: Choose John C. when the vendor needs to reach CIOs and board-level leaders rather than security practitioners, or when the webinar focuses on governance and risk ownership. One post argues that board service, not a CIO role, taught the most about leading a business, and lists the questions a board asks: is the strategy clear, are investments prioritized, how are risks managed, is the company financially viable, and are the right leaders coming through. The second makes cybersecurity fluency a baseline expectation for a healthcare CIO and names what they should be able to question: medical device and IoMT risk, identity and access management, Zero Trust, ransomware resilience, third-party and supply-chain risk, incident response, AI-enabled threats, and clinical downtime. That governance framing is directly usable for a voice-defense pitch aimed at executives who sign off on budget.
- Matthew Guldin: Choose Matthew Guldin when the vendor needs help building the session, not reaching its audience. Both posts come from reviewing HIMSS conference proposals and land on the same rule: implementation isn't an outcome; impact is. Guldin asks for a specific problem and baseline, credible before-and-after numbers such as length of stay, clinician minutes saved, denial rates, or dollars, a title and learning objectives that match the content, and explicit lessons about what proved harder than expected and what did not work. They also warn against letting a provider/vendor case study turn into a product pitch, a key risk for a vendor-hosted webinar. For a campaign that needs substance and limited commercial bias, Guldin is a useful editorial partner.
- Lara Klick, CPXP: Choose Lara Klick when the vendor wants to reach the clinical and patient-experience side of the room: CNOs, nursing leaders, and patient-experience teams, especially when selling to hospital operations as well as security. One post makes the phone itself the subject: answer calls, call people back, measure callback timeframes and pickup and drop rates, and treat baseline reliability as where trust is won or lost. It includes two concrete service examples. The other recounts running hospital operations through September 11, 2001, including setting up emergency on-site childcare for staff, coordinating blood donation, and activating mass-casualty protocols—the clearest evidence here of someone who has led healthcare operations under pressure.

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AI-assisted summary of public posts. Audience demographics are not available. Engagement appears only where we checked recent posts. Method: https://b2binfluencer.marketing/methodology/