ZeroFox Weekly Intelligence Brief – July 19, 2025

ZeroFox Weekly Intelligence Brief – July 19, 2025

ZeroFox’s Weekly Intelligence Briefing highlights the major developments and trends across the threat landscape, including digital, cyber, and physical threats. ZeroFox Intelligence is derived from a variety of sources, including—but not limited to—curated open-source accesses, vetted social media, proprietary data sources, and direct access to threat actors and groups through covert communication channels. Information relied upon to complete any report cannot always be independently verified. As such, ZeroFox applies rigorous analytic standards and tradecraft in accordance with best practices and includes caveat language and source citations to clearly identify the veracity of our Intelligence reporting and substantiate our assessments and recommendations. All sources used in this particular Intelligence product were identified prior to 6:00 AM (EDT) on July 17, 2025; per cyber hygiene best practices, caution is advised when clicking on any third-party links.

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China-Linked Attackers Targets Taiwan’s Chip Industry in Phishing Campaigns

What we know:

• At least three China-linked hacking groups have launched cyber espionage campaigns between March and June 2025, targeting Taiwan’s semiconductor industry and investment analysts.
• The attackers used spear-phishing tactics—often posing as job seekers or investment firms—to infiltrate organizations across the semiconductor supply chain.

Four Arrested in the United Kingdom over Cyberattacks on M&S and More

What we know:

• Four individuals have been arrested in the United Kingdom under suspicion of cyber offences targeting M&S, Co-op, and a luxury department store.

NVIDIA Urges GPU Security Against Possible Rowhammer Attacks

What we know:

• NVIDIA is urging users to turn on System Level ECC—a feature that helps detect and correct memory errors—to protect against Rowhammer attacks that can corrupt GDDR6 memory, a type of graphic processing unit (GPU).