Supply chain software company Blue Yonder is investigating claims of data theft after a ransomware gang takes credit for a cyberattack.The Arizona-based company, which provides software to organizations like DHL and Starbucks, experienced a ransomware incident on November 21.The ransomware gang, known as Termite, claims to have stolen 680 gigabytes of data and threatens to use it for future attacks.Blue Yonder is working with external cybersecurity experts to address the claims, while the investigation remains ongoing.