CISO Tribune

Vendor comparison · 2 companies

PQShield vs SSH Communications Security

PQShield is a cybersecurity company specialising in post-quantum cryptography. SSH Communications Security sells privileged access management solutions for tech-driven companies where software and dynamic infrastructure are core to competitive advantage. CISO Tribune files both under Post-quantum cryptography and Encryption, tokenization and key management. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • PQShield
  • SSH Communications Security
PQShield vs SSH Communications Security: Products, Customers and Funding Compared
PQShieldPQShield is a cybersecurity company specialising in post-quantum cryptography.pqshield.comSSH Communications SecuritySSH Communications Security sells privileged access management solutions for tech-driven companies where software and dynamic infrastructure are core to competitive advantage.ssh.com
What it sells
  • PQMicroLib-Core[1][10]A library designed with flexibility and configurability in mind.
  • PQCryptoLib-Core[1][10]A general-purpose cryptographic library for a wide variety of applications.
  • PQCryptoLib-SDK[1][10]A plug-and-play tool for moving OpenSSL-based applications to quantum resilience.
  • PQPlatform-CoPro[1][10]A cryptographic coprocessor that adds post-quantum capabilities to an existing security subsystem.
  • PQPlatform-TrustSys[1][5][10]A PQC-focused Root-of-Trust security solution.
  • PQPerform-Flare[10]A hardware-based PQC product designed for high throughput and low latency.
  • PQPerform-Inferno[1][10]A scalable hardware solution built on the PQPerform-Flare architecture.
  • PQPerform-Flex[10]PQPerform-Inferno combined with a RISC-V processor as a complete subsystem.
  • PrivX PAM[1][3][5][6]Provides Just-in-Time Privileged Access.
  • PrivX OT[5][7]Centralizes identity, authorization, session control and audit across modern and legacy operational environments.
  • Tectia SSH Server[10]Delivers policy-driven secure access.
  • NQX[1][3][8][11]A quantum-safe network encryptor that protects data in transit.
  • SalaX[1][12]Secure email and secure messaging, voice and video.
Categories
Headquarters
United Kingdom[2][3]Not stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Privately held[9]Not stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[2]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetSSH sells identity security to government agencies and enterprises of all sizes. SSH helps critical infrastructure organizations with Zero Trust access controls across IT and OT environments. For secure collaboration, deployment is offered on-premises, in the cloud or in private air-gapped networks.
Last verified
November 2, 2026November 2, 2026

Where they overlap

  • PQShield and SSH Communications Security are both filed under Post-quantum cryptography and Encryption, tokenization and key management.

Where they differ, field by field

  • PQShield's primary category is Post-quantum cryptography; SSH Communications Security's is Privileged access management.
  • SSH Communications Security is also filed under Non-human identity security.
  • PQShield lists PQMicroLib-Core, PQCryptoLib-Core, PQCryptoLib-SDK, PQPlatform-CoPro, PQPlatform-TrustSys and 3 more. SSH Communications Security lists PrivX PAM, PrivX OT, Tectia SSH Server, NQX and SalaX.
  • PQShield is headquartered in United Kingdom.
  • PQShield is privately held.

What it sells: PQShield

What PQMicroLib-Core does[1][10]
PQMicroLib-Core is a library designed with flexibility and configurability in mind. A CAVP-Ready version of PQCryptoLib-Core is tailored for embedded systems, small footprint solutions and memory constrained devices.
What PQCryptoLib-Core does[1][10]
PQCryptoLib-Core is a FIPS 140-3 CMVP Certified / CAVP Compliant general-purpose cryptographic library designed for a wide variety of applications. PQCryptoLib-Core is configurable by a secure API.
What PQCryptoLib-SDK does[1][10]
PQCryptoLib-SDK is a plug-and-play tool that helps to transition OpenSSL-based applications to quantum resilience. Software implementations of PQC algorithms are supplied via an OpenSSL provider, including ML-DSA, Falcon, ML-KEM and hybrid PQ/T schemes for TLS.
What PQPerform-Flare does[10]
PQPerform-Flare is a hardware-based FIPS 140-3 CAVP-certified product designed for high throughput and low latency PQC. PQPerform-Flare supports ML-DSA (FIPS 204) and ML-KEM (FIPS 203) and is optimized for TLS.
What PQPerform-Inferno does[1][10]
PQPerform-Inferno is a scalable hardware solution. Building on the architecture of PQPerform-Flare, Inferno integrates multiple instances with load balancing, and can deliver over 1 million key encapsulations per second.

What it sells: SSH Communications Security

What PrivX PAM does[1][3][5][6]
PrivX PAM provides real-time session monitoring and audit trails. PrivX PAM provides granular control, automated entitlement management and real-time risk analytics. PrivX secures privileged access across hybrid cloud environments with a passwordless, keyless Zero Trust approach.
What PrivX OT does[5][7]
PrivX OT brokers access to authorized assets and services. PrivX governs access to a range of operational assets and lets users work in a browser or an approved native application. PrivX OT provides protocol-agnostic connections and secure file transfers.
What Tectia SSH Server does[10]
Tectia SSH Server provides encrypted file transfers, secure TCP tunneling and remote access. Tectia interoperates with Linux, Windows, UNIX and IBM z/OS mainframes. Tectia Server lets organizations protect against quantum attacks using NIST-approved post-quantum algorithms.
What NQX does[1][3][8][11]
NQX is a TL III (EU Confidential) certified quantum-safe network encryptor that protects data in transit at Layer 2 (Ethernet) and Layer 3 (IP). NQX combines classical and post-quantum cryptography and secures data in transit.
What SalaX does[1][12]
SalaX protects email with encryption, authentication and data sovereignty, and is integrated with existing email systems, including Gmail and Outlook. SalaX includes encrypted messaging, voice and video calls built on the Matrix protocol.

Questions about PQShield and SSH Communications Security

What do PQShield and SSH Communications Security sell?
PQShield sells PQMicroLib-Core, PQCryptoLib-Core, PQCryptoLib-SDK, PQPlatform-CoPro, PQPlatform-TrustSys and 3 more. SSH Communications Security sells PrivX PAM, PrivX OT, Tectia SSH Server, NQX and SalaX.
Are PQShield and SSH Communications Security in the same category?
They share Post-quantum cryptography and Encryption, tokenization and key management. PQShield's primary category is Post-quantum cryptography and SSH Communications Security's is Privileged access management.
Where are PQShield and SSH Communications Security headquartered?
PQShield is headquartered in United Kingdom.
Who owns PQShield and SSH Communications Security?
PQShield is privately held.
Who are PQShield and SSH Communications Security sold to?
SSH sells identity security to government agencies and enterprises of all sizes.

About PQShield

PQShield is a cybersecurity company specialising in post-quantum cryptography. PQShield develops and commercially deploys quantum-ready cryptographic solutions for hardware, software and communications. PQShield is headquartered in Oxford, with additional teams in the Netherlands and France.

PQShield states that quantum computers will soon be able to break current cryptography methods. PQShield aims its quantum-resistant hardware and software solutions at organizations, industries and nations. PQShield says the cryptography that keeps data, devices, connections and components secure must be modernized to align with the new NIST global standards. Public key cryptography, including RSA and elliptic curve cryptography (ECC), faces the greatest quantum risk. Post-quantum cryptography can be deployed on existing classical hardware today. Adversaries can harvest encrypted information now and decrypt it later when quantum capabilities mature.[4]

The PQShield team comprises post-quantum cryptographers, researchers and engineers. PQShield says its team has been actively involved in the international standardization of post-quantum algorithms. Customers are helped to evaluate existing infrastructure, determining the risk and agility of the underlying architecture. The PQShield team works alongside, or as part of, a customer's wider team to deploy end-to-end solutions. PQShield products are aimed at vendors building PQC into greenfield and brownfield products. Device manufacturers have chosen PQShield’s PQC IP for integration into hardware security solutions.[4][10]

PQShield has a reciprocal agreement with Kudelski Security, the cybersecurity division within the Kudelski Group. Under that agreement, PQShield will offer expert training and advisory services to clients of Kudelski, alongside post-quantum cryptography solutions for both software and hardware. The agreement includes a collaborative referral and co-marketing relationship to support Kudelski Security’s go-to-market strategy. PQShield has signed a Memorandum of Understanding with systems integrator Tata Consultancy Services to help its clients transition to post-quantum cryptography (PQC) solutions. PQShield has partnered with eShard, a provider of side-channel analysis and testing tools.[11]

PQShield offers post-quantum cryptography for embedded devices in as little as 5KB RAM. PQMicroLib-Core is a library designed with flexibility and configurability in mind. A CAVP-Ready version of PQCryptoLib-Core is tailored for embedded systems, small footprint solutions and memory constrained devices. PQCryptoLib-Core is a FIPS 140-3 CMVP Certified / CAVP Compliant general-purpose cryptographic library designed for a wide variety of applications. PQCryptoLib-Core is configurable by a secure API. PQCryptoLib-SDK is a plug-and-play tool that helps to transition OpenSSL-based applications to quantum resilience. Software implementations of PQC algorithms are supplied via an OpenSSL provider, including ML-DSA, Falcon, ML-KEM and hybrid PQ/T schemes for TLS.[1][4][10]

PQPlatform-CoPro is a cryptographic coprocessor designed to add post-quantum capabilities to an existing security subsystem. PQPerform-Flare is a hardware-based FIPS 140-3 CAVP-certified product designed for high throughput and low latency PQC. PQPerform-Flare supports ML-DSA (FIPS 204) and ML-KEM (FIPS 203) and is optimized for TLS. Building on the architecture of PQPerform-Flare, Inferno integrates multiple instances with load balancing, and can deliver over 1 million key encapsulations per second. PQPerform-Flex combines PQPerform-Inferno with a RISC-V processor to form a complete subsystem.[1][10]

PQShield products come in 4 security levels to address all use cases. The security levels are tested continuously by both PQShield and external labs for certification.[1][4][5][6][7][8][10]

PQShield on the record

Sources

PQShield full record

  1. [1]pqshield.comPQShield · pqshield.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Pqshield raises 37m in series b funding to deliver the widespread commercial adoption of quantum resistant cryptography 302175607PQShield via PR Newswire · prnewswire.com · published June 20, 2024 · Tier A
  3. [3]PQShield and Kudelski Security Partner to Address Quantum Threat | PQShieldPQShield · published September 29, 2021 · Tier A
  4. [4]Post-quantum Cryptography Experts | Quantum-safe & Quantum-resistant SolutionsPQShield · undated page, accessed October 27, 2026 · Tier A
  5. [5]Post-Quantum Cryptography Solutions | PQShieldPQShield · published April 24, 2025 · Tier A
  6. [6]We are attending, WEF - Annual Meetings of the Global Future Councils and Cybersecurity, 14 Oct | PQShieldPQShield · published October 14, 2025 · Tier A
  7. [7]We are speaking: Security Privacy Identity & Trust (SPIT) SIG event, Cambridge, 28 January 2025 | PQShieldPQShield · published January 28, 2025 · Tier A
  8. [8]We are judging at - Cyber Security Awareness Week Europe, 7-8 November 2024 | PQShieldPQShield · published November 7, 2024 · Tier A
  9. [9]Quantum Security Company: What to Look For | PQShieldPQShield · undated page, accessed November 10, 2026 · Tier A
  10. [10]Quantum-safe & Quantum-resistant Software, Hardware & UpgradesPQShield · undated page, accessed November 10, 2026 · Tier A
  11. [11]PQShield partners with Tata Consultancy Services and eShard to meet commercial demand for protecting organisations against quantum the threat | PQShieldPQShield · undated page, accessed November 10, 2026 · Tier A

SSH Communications Security full record

  1. [1]ssh.comSSH Communications Security · ssh.com · undated page, accessed September 30, 2026 · Tier A
  2. [2]SSH PrivX Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 31, 2026 · Tier C
  3. [3]Privileged Access, Quantum Readiness & Secure Connectivity Solutions | SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  4. [4]Identity Security with Zero Trust IAM & PAM Solutions | SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  5. [5]Secure Vendor and Contractor Remote Access | SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  6. [6]Zero Trust Cloud Access Management | PrivX™ by SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  7. [7]Secure Remote OT Access Management with PrivX OT | SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  8. [8]Zero Trust Security Solutions | PrivX by SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  9. [9]Secure File Transfers at Enterprise Scale | Tectia | SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  10. [10]Enterprise SSH for Mission-Critical Workloads | Tectia® | SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  11. [11]Quantum-Safe Cryptography | Become Quantum Safe with SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  12. [12]SalaX Secure Collaboration - Secure Business Communications | SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A
  13. [13]Operational Security for IT/OT Environments | SSHSSH Communications Security · undated page, accessed November 10, 2026 · Tier A

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