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

Hackers meet their match: New DNA encryption protects engineered cells from within share this! Share Tweet Share Email April 11, 2026 report Hackers meet their match: New DNA encryption protects engineered cells from within by Sanjukta Mondal , Phys.org Sanjukta Mondal contributing writer Meet our staff & contributors Learn about our editorial standards edited by Lisa Lock , reviewed by Robert Egan Lisa Lock scientific editor Meet our editorial team Behind our editorial process Robert Egan associate editor Meet our editorial team Behind our editorial process Editors' notes This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: fact-checked peer-reviewed publication trusted source proofread The GIST Add as preferred source Biological security scenario "biohackathon" for designing, building, testing, and learning. Credit: Science Advances (2026). DOI: 10.1126/sciadv.aeb8556 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. The researchers conducted an ethical hacking exercise on the test lock and found that random guessing yielded a 0.2% success rate, remarkably close to the theoretical target of 0.1%. Turning the assets into locks The U.S.'s Centers for Disease Control and Prevention (CDC) and Department of Homeland Security have reported an uptick in the theft and smuggling of high-value biological materials, including specially engineered cells. In recent years, there has also been a record rise in unauthorized shipments and attempts at industrial espionage. In the wrong hands, these materials could be misused to create bioweapons or deliberately harm the environment. Currently, valuable cells are primarily protected by physical measures such as locks, cameras, and guards. Once these barriers are breached, there is little left to prevent the cells from being stolen and misused. Engineering two-digit biological objects for keypad expansion. Credit: Science Advances (2026). DOI: 10.1126/sciadv.aeb8556 In this study, researchers used a cybersecurity-inspired approach to protect cells at the DNA level by using the cell's own biological security system. They developed a scenario-based simulation using a designing group (blue team) and a decrypting group (red team). First, the development (blue team) scrambled the DNA by rearranging and flipping genetic instructions so the cell could no longer read them correctly. They started with a functional genetic unit that includes a promoter (the ON switch) and the gene of interest. They then broke this unit into separate parts, arranged them in the wrong order, and flipped some segments backwards. To make sure these can be unscrambled later, they placed special DNA sequences called recombinase attachment sites around them. For decryption, the team used a precise sequence of chemicals to trigger the cell's machinery to physically rearrange the scrambled DNA and restore it to its functional state. They created a biological keypad with nine distinct chemicals, each acting as a one-digit input. By using the same chemicals in pairs to form two-digit inputs, where two chemicals must be present simultaneously to activate a sensor, they expanded the keypad to 45 possible chemical inputs without introducing any new chemicals. They also added safety penalties—if someone tampers with the system, toxins are released—making it extremely unlikely for an unauthorized person to access the cells. Then the red team, who kept out of the encryption process development, stepped in as ethical hackers, tasked with trying to break into the system and access the hidden genetic information. In their first attempt, they uncovered 10 different chemical combinations that partially unlocked the cells, revealing weak spots in the design. After the developers patched these flaws, the hackers tried again. This time, only the exact passcode worked, showing that the odds of an unauthorized person guessing it had dropped to just two in 990, or 0.2%. Ethical hacking of a biological asset. Credit: Science Advances (2026). DOI: 10.1126/sciadv.aeb8556 The researchers note that the strong performance of this biological lock signals a shift in biological security, in which genetic material is protected by safety algorithms built into the DNA itself, making the assets their own protectors. This study designed the system around engineered E. coli cells, but further research is needed to determine whether it can be applied to other organisms and scaled to protect multiple genes or assets within a single cell. Written for you by our author Sanjukta Mondal , edited by Lisa Lock , and fact-checked and reviewed by Robert Egan —this article is the result of careful human work. We rely on readers like you to keep independent science journalism alive. If this reporting matters to you, please consider a donation (especially monthly). You'll get an ad-free account as a thank-you. Publication details Dowan Kim et al, Protecting cells at the genetic level and simulating unauthorized access via a biohackathon, Science Advances (2026). DOI: 10.1126/sciadv.aeb8556 Journal information: Science Advances Key concepts bacteria genetically engineered organisms Biological materials © 2026 Science X Network Citation : Hackers meet their match: New DNA encryption protects engineered cells from within (2026, April 11) retrieved 12 April 2026 from https://phys.org/news/2026-04-hackers-dna-encryption-cells.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. 109 shares Facebook Twitter Email Feedback to editors Trending Featured Last Comments Yellowstone's magma source may be closer than thought, reshaping hazard models Apr 10, 2026 3 Astronomers find evidence for three subpopulations of merging black holes 23 hours ago 0 Artemis II crew will endure 3,000°C on re‑entry. A hypersonics expert explains how they will survive Apr 9, 2026 4 Chimpanzee empire falls apart in rare instance of division and deadly violence Apr 9, 2026 0 Mammal ancestors laid eggs—and this 250-million-year-old fossil proves it Apr 9, 2026 1 Ancient Korean DNA reveals marriages between closely related individuals 10 minutes ago Electrode technology achieves 86% efficiency for converting CO₂ into plastic precursors 1 hour ago Space telescopes track nearby quasar's dramatic X-ray state transition 3 hours ago Flux pathway reveals why mussel-like liquid phase separation can happen in seconds 19 hours ago A nanoscale robotic cleaner can hunt, capture and remove bacteria 22 hours ago Astronomers find evidence for three subpopulations of merging black holes 23 hours ago High-resolution imaging captures cavity-induced density waves in a quantum gas Apr 11, 2026 Microbial hockey: Scientists discover how bacteria rotate tiny pucks Apr 11, 2026 Saturday Citations: Octopus behavior; children's nightmares; the fast effects of meditation Apr 11, 2026 'Poor man's Majoranas' can be used as quantum spin probes Apr 11, 2026 Relevant PhysicsForums posts Epothilone B study connected to 'Hard Problem of Consciousness' Model Apr 9, 2026 My glasses are giving me a neck cramp Apr 8, 2026 Does memory follow classical or quantum methods? Apr 8, 2026 Molds in Front Loading Washing Machine Apr 1, 2026 Are these rabbit pellets??? Apr 1, 2026 4 of 4 models of automated blood pressure cuffs fail to read my BP Mar 29, 2026 More from Biology and Medical Related Stories Recommended for you Microbial hockey: Scientists discover how bacteria rotate tiny pucks Apr 11, 2026 From teeth to thorns: Coincidences shape the universal form of nature's pointed tips Apr 10, 2026 SNIPE bacterial defense system shreds phage DNA before infection can begin Apr 10, 2026 Nicotine's last biosynthesis steps mapped in wild tobacco, ending a long mystery Apr 10, 2026 Bacteria from bumblebees can produce vitamin B₂ in soya drinks Apr 10, 2026 Unraveling the complexities of the Borna disease virus 1 Apr 10, 2026 Load comments (0) Get Instant Summarized Text (Gist) A DNA-based encryption system was developed to protect engineered cells by scrambling essential genetic instructions, rendering them non-functional until a precise sequence of chemical inputs triggers recombinase-mediated restoration. Security testing showed a 0.2% success rate for unauthorized decryption, closely matching theoretical predictions. The approach integrates biological security at the DNA level, but further validation is needed for broader applicability and scalability. This summary was automatically generated using LLM. Full disclaimer Let us know if there is a problem with our content Use this form if you have come across a typo, inaccuracy or would like to send an edit request for the content on this page. For general inquiries, please use our contact form . For general feedback, use the public comments section below (please adhere to guidelines ). Please select the most appropriate category to facilitate processing of your request -- please select one -- Compliments / Critique Typos / Errors / Inaccuracies Edit / Removal request Your message to the editors Your email (optional, only if you'd like a response) Send Feedback Thank you for taking time to provide your feedback to the editors. Your feedback is important to us. However, we do not guarantee individual replies due to the high volume of messages. E-mail the story Hackers meet their match: New DNA encryption protects engineered cells from within Your friend's email Your email I would like to subscribe to Science X Newsletter. Learn more Your name Note Your email address is used only to let the recipient know who sent the email. Neither your address nor the recipient's address will be used for any other purpose. The information you enter will appear in your e-mail message and is not retained by Phys.org in any form. Your message Send Newsletter sign up Get weekly and/or daily updates delivered to your inbox. You can unsubscribe at any time and we'll never share your details to third parties. Subscribe More information Privacy policy Donate and enjoy an ad-free experience We keep our content available to everyone. Consider supporting Science X's mission by getting a premium account. Remove ads Maybe later E-mail newsletter Subscribe Follow us It appears that you are currently using Ad Blocking software . What are the consequences? ×