News

AI Can Evade DNA Biosecurity Screening

Source: npr.org

Published on October 2, 2025

Core topic: AI bypasses biosecurity screening

Keywords: AI, biosecurity, DNA, protein design, biothreats, biosafety, biotechnology, biosecurity screening, biosecurity risks, AI misuse

Main keywords: AI, biosecurity screening, DNA, dangerous proteins, biosecurity measures, AI-powered protein design, biothreats, biosafety protocols, DNA manufacturers, biotechnology

Supporting n-grams: AI rewrites DNA, biosecurity screening vulnerabilities, dangerous proteins, AI-powered protein design, biosecurity measures, AI bypasses biosafety protocols, potent biothreats, AI generates novel molecules, biosecurity experts, biotech misuse, AI biosecurity risks

AI Bypasses DNA Biosecurity Screening

In a groundbreaking study, researchers have discovered that artificial intelligence can manipulate DNA sequences for hazardous proteins, effectively bypassing the biosecurity screening measures employed by DNA manufacturers. This revelation raises significant concerns about the potential misuse of AI in biotechnology, highlighting vulnerabilities in current safety protocols.

Biotech companies that produce custom DNA for scientific research have implemented rigorous screening processes to prevent the creation of dangerous biological materials. These measures are designed to detect and block orders for genes associated with harmful substances like smallpox or anthrax. However, the recent study, published in the journal Science, demonstrates how AI can circumvent these safeguards, posing a serious threat to global biosecurity.

AI's Ability to Rewrite DNA Codes

The study reveals that AI-powered protein design tools can "paraphrase" the DNA codes of toxic proteins, creating new sequences that maintain the same functional properties. Eric Horvitz, Microsoft's chief scientific officer, explained that these tools could generate over 75,000 variants of dangerous proteins, many of which went undetected by existing biosecurity screening systems.

Horvitz emphasized that while AI-powered protein design holds immense potential for medical advancements and public health, it also presents risks of misuse. The study underscores the need for enhanced biosecurity measures to address these emerging threats. Although quick fixes have been implemented, they have proven insufficient, as some variants still evade detection.

Biosecurity Concerns and Safeguards

Biologists have long been aware of the potential for sophisticated DNA tools to create potent biothreats. The publication of this study has sparked debates about the balance between open scientific discussion and the need to restrict access to sensitive information. The researchers, in collaboration with the International Biosecurity and Biosafety Initiative for Science, have implemented a model to manage access to their data and software based on legitimate need.

Arturo Casadevall, a microbiologist at Johns Hopkins University, praised the study for identifying known vulnerabilities but also raised concerns about unknown risks that may require future attention. He noted that while the study did not include lab work to confirm the functionality of AI-designed proteins, such experiments could be prohibited by international treaties against biological weapons development.

Past Research and Future Implications

Previous research has explored the potential for AI to be used for malevolent purposes in biology. For instance, a team investigated whether AI could generate novel molecules with properties similar to nerve agents. In less than six hours, the AI tool created 40,000 molecules, including known chemical warfare agents like VX and many unknown molecules predicted to be more toxic.

David Relman, a researcher at Stanford University, views the current study as a warning about the security vulnerabilities in biotechnology. He emphasizes the need for proactive measures to address these risks, highlighting the magnitude of the problem and the importance of ongoing research and collaboration.

Reassurance from Biosecurity Experts

Despite the concerns, some biosecurity experts express reassurance. James Diggans, head of policy and biosecurity at Twist Bioscience, noted that misuse attempts in biotech are rare. He suggested that the number of individuals attempting to misuse biotech tools may be very low, making these security systems an important safeguard against uncommon scenarios.

Diggans emphasized that Twist Bioscience, a major provider of custom DNA, has had to refer orders to law enforcement fewer than five times in the past decade. This rarity contrasts with the cybersecurity world, where misuse attempts are more frequent.

The study serves as a wake-up call for the biotech industry, highlighting the need for continuous improvement in biosecurity measures to keep pace with advancements in AI and DNA technology. As AI-powered protein design becomes more sophisticated, so too must the safeguards designed to prevent its misuse.