This report discusses the security threats in cloud computing, a technique used for providing IT services through web-based tools accessible via the internet. It highlights major security issues such as data breaches, malware attacks, account hacking, data loss, and cloud abuse. For each threat, effective countermeasures are discussed, including choosing reliable cloud service providers, implementing forced authorization in supply chain management, restricting credential sharing, promoting two-way authentication, utilizing powerful API security and SSL encryption, and carefully examining traffic networks. The report concludes that while cloud computing offers essential data storage and remote accessibility, understanding and mitigating these vulnerabilities is crucial for securing data in the cloud.