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Intelligence Insights: August 2026
Red Canary's August 2026 Intelligence Insights report covers new threat actor debuts, departures, and threats targeting the blockchain sector.
Red Canary published its August 2026 Intelligence Insights, a monthly threat intelligence roundup. This edition highlights newly emerged threat actors, groups that ceased or reduced activity, and danger on the blockchain, likely threats to cryptocurrency and blockchain ecosystems.
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Risky Bulletin: Expired cards can be used for new transactions
Researchers show expired Visa contactless cards can be revived via NFC man-in-the-middle relay to run fraudulent transactions; roundup also covers major breaches.
University of Massachusetts Amherst researchers built an NFC man-in-the-middle rig that updates a card's expiration date in transit and relays the modified payment to POS terminals, reviving expired contactless cards; Visa terminals and the backends of all five banks studied failed to catch the manipulation. The same roundup reports Iranian hackers shut down a small UK power plant for four days, Lazarus breached South Korea's Presidential Office as part of a campaign exceeding 100 victims, and French telecom SFR suffered a breach affecting over 2.1 million customers.
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