Microservices architectures present unique security challenges due to their distributed nature, increasing the attack surface and complexity in managing endpoints and services. Traditional security tools, designed for monolithic systems, often fail to address the intricacies of microservices, such as API-specific attacks and internal service-to-service communication. The proliferation of APIs leads to shadow APIs and configuration chaos, necessitating modern security solutions like Zero Trust architecture, service mesh, and automated secret management to mitigate risks. Effective strategies include deploying API gateways for centralized control, employing mutual TLS for secure communications, and integrating security into CI/CD pipelines through DevSecOps practices. These approaches ensure that vulnerabilities are addressed early, and consistent security policies are enforced across all services. Organizations that adopt these methods can better manage their security posture in a microservices environment, reducing risks associated with data leakage, resource exhaustion, and human error, ultimately securing their systems and maintaining trust with their customers.