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Category: encryption

Hackers meet their match: New DNA encryption protects engineered cells from within

Engineered cells are a high-value genetic asset that is key to many fields, including biotechnology, medicine, aging, and stem cell research, with the global market projected to reach $8.0 trillion USD by 2035. Yet the only ways to keep the cells safe are strong locks and watchful guards.

In Science Advances, a team of U.S. researchers present a new approach to genetically securing precious biological material. They created a genetic combination lock in which the locking or encryption process scrambled the DNA of a cell so that its important instructions were non-functional and couldn’t be easily read or used.

The unlocking, or decryption, process involves adding a series of chemicals in a precise order over time—like entering a password—to activate recombinases, which then unscramble the DNA to their original, functional form.

Google rolls out Gmail end-to-end encryption on mobile devices

Google says Gmail end-to-end encryption (E2EE) is now available on all Android and iOS devices, allowing enterprise users to read and compose emails without additional tools.

Starting this week, encrypted messages will be delivered as regular emails to Gmail recipients’ inboxes if they use the Gmail app.

Recipients who don’t have the Gmail mobile app and use other email services can read them in a web browser, regardless of the device and service they’re using.

New Advances Bring the Era of Quantum Computers Closer Than Ever

From the article:

” home new advances bring the era of quantum computers closer than ever

Quantum computing New Advances Bring the Era of Quantum Computers Closer Than Ever By Charlie Wood April 3, 2026

Two research groups say they have significantly reduced the amount of qubits and time required to crack common online security technologies.

Kristina Armitage/Quanta Magazine Introduction Some 30 years ago, the mathematician Peter Shor(opens a new tab) took a niche physics project — the dream of building a computer based on the counterintuitive rules of quantum mechanics — and shook the world.

Shor worked out a way for quantum computers to swiftly solve a couple of math problems that classical computers could complete only after many billions of years. Those two math problems happened to be the ones that secured the then-emerging digital world. The trustworthiness of nearly every website, inbox, and bank account rests on the assumption that these two problems are impossible to solve. Shor’s algorithm proved that assumption wrong.

For 30 years, Shor’s algorithm has been a security threat in theory only. Physicists initially estimated that they would need a colossal quantum machine with billions of qubits — the elements used in quantum calculations — to run it. That estimate has come down drastically over the years, falling recently to a million qubits. But it has still always sat comfortably beyond the modest capabilities of existing quantum computers, which typically have just hundreds of qubits.

Continue reading “New Advances Bring the Era of Quantum Computers Closer Than Ever” | >

A 200-year-old light trick just transformed quantum encryption

Scientists have unveiled a new approach to ultra-secure communication that could make quantum encryption simpler and more efficient than ever before. By harnessing a 19th-century optics phenomenon called the Talbot effect, researchers developed a system that sends information using multiple states of single photons instead of just two, dramatically boosting data capacity. Even more impressive, the setup works with standard components and requires only a single detector, reducing cost and complexity.

Proton launches new “Meet” privacy-focused conferencing platform

Proton has announced a new video conferencing service named Meet and positioned it as a privacy-focused alternative to mainstream services like Google Meet, Zoom, and Microsoft Teams.

Meet provides end-to-end encrypted (E2EE) calls to protect the confidentiality of the conversations and does not require a paid plan or even a Proton account to use. It is free for one-hour meetings of up to 50 participants. For longer calls, Proton offers a “pro” plan that starts at $7.99/month.

Proton says Meet was created in response to the increasing need for privacy-first, EU-based alternatives that make it easier to comply with GDPR, or even CCPA (California Consumer Privacy Act), addressing the complexities of laws such as the US Cloud Act, and overcoming challenges posed by an increasingly unstable geopolitical environment.

Google Warns Quantum Computers Could Break Bitcoin and Ethereum Encryption in 9 Minutes — Are Your BTC and ETH at Risk?

In short: The “lock” on the vault hasn’t been broken yet, but Google just published the blueprint for the bolt cutters, and they are much smaller than we imagined.

Google’s latest research warns quantum computers could break Bitcoin and Ethereum encryption faster than expected.

Next-generation optical sensor can read photon spin across UV-to-infrared wavelengths

A research team led by Professor Jiwoong Yang of the Department of Energy Science and Engineering at DGIST has developed next-generation optical sensor technology capable of precisely detecting not only the intensity and wavelength of light but also its rotational direction—the spin information of photons. The team successfully implemented a quantum-dot-based optical sensor that can detect circularly polarized light (CPL) across an ultra-wide spectral range—from ultraviolet to short-wave infrared—demonstrating photodetection performance comparable to that of commercial silicon optical sensors. The paper is published in Advanced Materials.

CPL refers to light in which the electric field rotates helically as it propagates. This is directly linked to the spin information of photons—the fundamental particles of light. This polarization information serves as a crucial signal in next-generation security and communication technologies, such as quantum communication, quantum cryptography, and photonic quantum information processing, which is why related optical sensor technologies are attracting significant worldwide attention.

Conventional circularly polarized light sensors typically require the light-absorbing material itself to possess a specific helical orientation, known as a chiral structure. This approach not only limits the range of usable materials but also confines detection to narrow spectral regions, such as ultraviolet or visible light. Extending this technology into the infrared region, which is essential for quantum communication and optical sensing, has previously posed a major technical challenge.

Physicists just turned glass into a powerful quantum security device

Scientists have turned simple glass into a powerful quantum communication device that could safeguard data against future quantum attacks. The chip combines stability, speed, and versatility—handling both ultra-secure encryption and record-breaking random number generation in one compact system.

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