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MI5 chief warns AI could pose future security risks, but dismisses “Hollywood doom”

The head of Britain’s domestic intelligence agency, MI5, has warned that artificial intelligence systems acting independently of human oversight could one day pose serious national security challenges — though he dismissed notions of a “Terminator”-style apocalypse.

In his annual speech on national threats, MI5 Director General Ken McCallum said that while AI is already being used to strengthen British security operations, it is also being exploited by terrorists, hostile states, and cybercriminals. He said AI tools are helping adversaries spread propaganda, conduct reconnaissance, and manipulate elections.

“But in 2025, while contending with today’s threats, we also need to scope out the next frontier: potential future risks from non-human, autonomous AI systems which may evade human oversight and control,” McCallum said.

He emphasized that his warning was not a prediction of science-fiction-style catastrophe, but a call for preparedness as AI technology rapidly evolves. “Given the risk of hype and scare-mongering, I will choose my words carefully. I am not forecasting Hollywood movie scenarios,” he noted.

McCallum added that while AI may never intentionally mean harm, ignoring its potential dangers would be “reckless.” MI5 and other intelligence agencies are studying the long-term implications of increasingly autonomous systems.

The remarks reflect a broader debate within global intelligence and tech circles about balancing the benefits of AI innovation with the risks of automation and loss of control over powerful systems.

BlackBerry Lifts Revenue Forecast on Strong Cybersecurity Demand

BlackBerry raised its fiscal 2026 revenue forecast on Thursday, citing robust demand for its cybersecurity software as businesses step up defenses against rising cyber threats fueled by advances in artificial intelligence.

The Canadian company now expects annual revenue of $519 million to $541 million, up from its previous range of $508 million to $538 million.

BlackBerry reported second-quarter revenue of $129.6 million, topping analysts’ estimates of $122.1 million, according to LSEG data. The company also posted earnings of 2 cents per share, compared with a loss of 3 cents a year earlier.

Enterprises have been investing heavily in cybersecurity software to protect digital infrastructure as hackers exploit new vulnerabilities. This trend has helped BlackBerry’s software business remain resilient even amid a challenging tech spending environment.

Following the announcement, BlackBerry’s U.S.-listed shares rose about 2% in premarket trading.

Netskope hits $8.8 billion valuation in Nasdaq debut as shares surge

Cybersecurity firm Netskope debuted on the Nasdaq on Thursday with a market valuation of $8.79 billion, as its shares surged 21% above the initial offer price. The Santa Clara–based company priced its IPO at $19 per share, raising $908.2 million by selling 47.8 million shares. The stock opened at $23, reflecting strong investor appetite.

The U.S. IPO market is experiencing its strongest wave in years, with recent successes like Figma highlighting pent-up demand. Netskope’s appeal is fueled by rising corporate spending on cybersecurity, especially as AI-driven threats expand. “AI is right in our wheelhouse … enabling companies to leverage it safely,” CEO Sanjay Beri told Reuters.

Founded in 2012, Netskope delivers cloud-based security solutions that protect apps, data, and websites. The company had previously been valued at $7.5 billion in a 2021 ICONIQ-led funding round. Beri noted that the IPO was oversubscribed 20 times and that going public will expand Netskope’s visibility in the market.

Analysts caution that despite the sector’s strong demand, IPO performances remain mixed. Rubrik has soared since listing, while SailPoint has struggled. Netskope’s future success will hinge on its profitability path and ability to navigate a competitive market against rivals like Palo Alto Networks and Zscaler.