Tag: Hallmark

  • Hallmark data breach spreads as stolen data hits hacker forums

    Hallmark data breach spreads as stolen data hits hacker forums

    A retail cybersecurity incident has taken a more serious turn. The Hallmark data breach has escalated after stolen data appeared on both a leak site and a hacker forum. This development signals a shift from private extortion to wider distribution, increasing the risk of misuse. When attackers move data into public and underground channels, control…