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NCSC's Share and Defend Blocks Nearly One Billion in UK

🔒 The UK's National Cyber Security Agency (NCSC) reports its Share and Defend service has blocked almost one billion attempts to access malicious websites in under a year. Launched in May 2024, the service aggregates threat intelligence and indicators of compromise (IOCs) from partners and data sources, then shares them with ISPs such as BT, Vodafone, and TalkTalk for DNS filtering. When users try to follow phishing links, fraudulent texts or scam adverts, connections to known malicious domains are stopped automatically. The initiative supports the government's Stop! Think Fraud campaign and aims to reduce online fraud for consumers and businesses.