Big news being generated on the quantum-safe security front in recent days:

Keyfactor announced an investment of more than $1 billion from Summit Partners. From the press release: “The transaction reflects the increasing strategic urgency around machine identity security, reinforcing Keyfactor’s industry leadership at a pivotal moment for enterprise security. The new investment will help accelerate the company’s global scale and growth initiatives, enabling product innovation, geographic expansion, team building and strategic acquisitions.”

That fits with a general feeling across the quantum sector that customers, led by government initiatives and mandates like the recent Trump administration Executive Orders–are finally starting to get more aggressive about their adoption timelines for technologies like past-quantum cryptography (PQC).

SEALSQ reported its earnings for the first half of 2026, highlighted a 120% year-over-year jump in revenue during the period to $11 million. About $7 million of that take came in the second quarter, and the firm remains on target for 50% to 100% revenue growth for the full year compared to 2025, so the arrow is pointing upward. The Geneva, Switzerland, company, whose stock trades on Nasdaq (NSDQ: LAES), also has $495 million cash in hand. 

One of the firm’s main areas of focus is quantum-safe security, and officials suggested SEALSQ will start seeing a revenue boost in this area in later 2026 and 2027. Just a few days before its earnings report, SEALSQ announced a new program to help it accelerate adoption of quantum-safe security measures by smoothing the migration from organizational security assessments to implementation, and many other security technology vendors are offering similar programs. SEALSQ also announced a push for quantum-safe security in the automotive industry, a sector increasingly being seen as a big early adopter, by infusing automotive chips with PQC.

One other notable thing about SEALSQ: It has a $200 million SEALQuantum Fund, and has not been shy by using it to invest in firms like EeroQ, Quobly, IC’ALPS, Miraex, and more. With about $60 million allocated so far, the company hinted that there are more funding announcements to come, and it’s fair to assume some of those deals could have a strong security focus.

Microsoft is accelerating its own previously-stated quantum-safe security migration timeline, announcing that it plans to have its products and services PQC-protected by 2029, according to a recent blog post. Google and Cloudflare have announced similar timelines in recent months.

Retired US Navy Rear Admiral Doug Small has joined QuSecure’s Federal Advisory Board, a group recently convened to help the company address the ramping government opportunities. Former CIA Senior Intelligence Service Officer Eman Blair also is on the board.

IBM announced PQC is now standard on its Z17 and LinuxONE Rockhopper 5 systems designed for AI data centers.

Quantum Secure Encryption (QSE) Corp. is making a push into the Southeast Asia market for quantum-safe security with plans to attend an upcoming major cybersecurity conference in the region.

Image from freepik

Quantum News Nexus is a site from freelance writer and editor Dan O’Shea that covers quantum computing, quantum sensing, quantum networking, quantum-safe security, and more. You can find him on X @QuantumNewsGuy and doshea14@gmail.com.


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One response to “Quantum Security Update: News from Keyfactor, SEALSQ, Microsoft, QuSecure, IBM, QSE”

  1. […] the advancement of post-quantum cryptography in chips (would have been a good fit for my recent Quantum Security Update), as well as cryogenic CMOS for […]

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