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DevOps

Harden Cipher Suites for Robust TLS/SSL Encryption

Cipher suites are a set of cryptographic algorithms utilized by the schannel SSP implementation of TLS/SSL protocols. These algorithms are employed to generate keys and encrypt data. Each cipher suite designates specific algorithms for the following functions: In TLS 1.2 and TLS 1.3, the NSA suggests using cryptographic settings that meet the standards in CNSSP 15, known as Commercial National Security Algorithms.

Kernel DMA Protection Hardening to Secure Your Systems

Kernel Direct Memory Access (DMA) Protection is a security feature in Windows designed to prevent unauthorized access to memory by external peripherals. Kernel DMA Protection requires UEFI firmware support, and Virtualization-based Security (VBS) isn’t required. Kernel DMA Protection offers enhanced security measures for the system compared to the countermeasures against BitLocker DMA attacks, all while preserving the usability of external peripherals.

SSH connection resumption

SSH connection resumption Teleport v15 introduces automatic SSH connection resumption if the network path between the client and the Teleport node is interrupted due to connectivity issues, and transparent connection migration if the control plane is gracefully upgraded. The feature is active by default when a v15 client (tsh, OpenSSH or PuTTY configured by tsh config, or Teleport Connect) connects to a v15 Teleport node.

SSO vs. Identity Federation: Optimizing Authentication for Modern Enterprises

In today's interconnected digital ecosystem, businesses are constantly seeking efficient and secure solutions to manage user authentication across multiple applications and domains. Identity Federation and Single Sign-On (SSO) stand out as two prominent approaches, each offering distinct advantages and use cases. Let's explore the differences between Identity Federation and SSO, their benefits, and how they address the evolving needs of enterprises.

Managing Anonymous User Settings on Your Computer to Boost Security

Windows permits an anonymous user to carry out specific actions, such as listing the names of domain accounts and network shares. This functionality proves useful in scenarios when an administrator needs to provide access to users in a trusted domain lacking a reciprocal trust agreement. By default, the Everyone security identifier (SID) is excluded from the token generated for anonymous connections. Consequently, permissions assigned to the Everyone group don’t extend to anonymous users.

How is a Container Scan Done?

Containers offer many benefits, including lightweight portability from one environment to another, but they add a layer of complexity to application security that can introduce additional risks. There are many ways a container can become vulnerable to attack: through its source code, how the container is built, how the container is configured, how it secures secrets, and how it interacts with the host and other containers. Each of these avenues has its own security solutions and best practices.