Technology

The SolarWinds SUNBURST incident changed security thinking because the initial trust failure occurred inside a software supply chain. Attackers compromised the build process for the Orion platform and malicious code was distributed through software updates that customers expected to trust. CISA identified active exploitation in December 2020 and later attributed the broader activity to Russia’s Foreign Intelligence Service alongside other U.S. agencies. The technical details are historical, but the security lessons remain current because organizations still depend on third-party software, automated builds, cloud identities, and trusted update channels. The attack…

Fortinet‘s Network Security Expert (NSE) certification structure changed again on July 15, 2026. The numbered NSE 1–8 levels are now part of the current certification program, so descriptions that say the original NSE ladder has simply been retired and replaced by role-named awards need careful updating. The practical starting point is to identify the level and technology track that matches your work. Foundational awareness, FortiGate administration, specialized security products, design and expert-level troubleshooting require different evidence of competence. Neither a high number nor a collection of exam names tells the…

Introduction to PKI Public Key Infrastructure (PKI) is a framework that enables secure, encrypted communication over networks. It uses a combination of hardware, software, policies, and standards to manage digital certificates and public-key encryption. PKI ensures the confidentiality, integrity, and authenticity of data exchanged between parties.  Core Components of PKI Certificate Authority (CA): A trusted entity that issues and manages digital certificates. Registration Authority (RA): Acts as a mediator between the user and the CA, verifying the user’s identity before a certificate is issued. Digital Certificates: Electronic documents that use…

Attack-lifecycle models help security teams organize evidence from initial discovery to access, persistence and impact. They are not predictions that every incident follows one ordered sequence. Understanding how adversary behavior connects to telemetry, vulnerabilities and operational choices makes lifecycle models useful for improving detection and containment. Stage 1: Reconnaissance Reconnaissance marks the beginning of the cyber attack lifecycle. During this phase, adversaries gather intelligence about their target to plan the rest of the attack. The goal is to collect enough detailed information to identify potential vulnerabilities and determine the best…

Web browsers still use the phrase SSL certificate, but modern secure web connections use Transport Layer Security (TLS), not the obsolete SSL protocols. A certificate helps a client check that it is communicating with a service whose identity has been vouched for by an accepted certificate authority. Encryption protects the subsequent traffic. The two functions work together, but they are not the same security guarantee. Understanding certificates matters because a website can have a valid HTTPS connection yet still expose unsafe application behavior or stolen accounts. Conversely, a secure application…

Introduction to SSH and Its Importance in Linux Administration What is SSH? SSH (Secure Shell) is a cryptographic network protocol that provides administrators with a secure method for accessing and managing remote servers over an unsecured network. Originally designed to replace older, insecure protocols like Telnet, rlogin, and FTP, SSH offers encryption and integrity of transmitted data, ensuring secure communications between a client and server. At its core, SSH enables two systems to communicate securely by encrypting data during transmission. It allows for remote command execution, file transfer, secure tunneling,…

There is no single universal “SQL certification” that proves the same skill across every database job. The more useful credentials are tied to a platform or role: Azure database administration, Oracle SQL, cloud data engineering, Databricks lakehouse work, Snowflake, or another data stack where SQL is part of the job. That means the best credential depends on what you want to do with SQL. A database administrator, analytics engineer, cloud data engineer, and BI analyst can all write SQL, but they solve different problems. Start by deciding which SQL job…

As a professional working in an environment where automation plays a key role, learning and mastering scripting tools is a fundamental part of your skillset. One such tool is PowerShell, a powerful automation scripting language developed specifically for managing system tasks in a streamlined manner. Though there are many programming languages and automation tools available, PowerShell stands out, particularly for those working with Microsoft technologies. While it might not be superior to every language or tool, like Batch, VBScript, or Python, it is indispensable in environments where Microsoft products are…

Cloud testing is about assessing failure as well as functionality. Network dependencies can slow, permissions can change and deployments can break even when the application’s code has not changed. A testing strategy should combine fast unit and integration feedback with end-to-end, capacity and resilience checks. Select tools only after deciding what risk each test must expose. Types of Testing in Cloud-Based Development There are several different types of testing that are essential for cloud-based software development. Each type of testing serves a unique purpose in ensuring that cloud applications function…

White-hat, gray-hat and black-hat labels are common shorthand, but intent alone does not decide whether an assessment is authorized. A responsible security researcher needs clear scope, consent, disclosure channels and safeguards against harming systems or users. Classifications are useful only when they lead to better decisions about legality and professional conduct. Who Are White Hat Hackers White hat hackers, also known as ethical hackers, are cybersecurity experts who use their hacking skills for defensive and constructive purposes. These individuals are hired or contracted by organizations to help improve their security…

The Google Professional Cloud Network Engineer certification is designed for experienced practitioners who design, implement, secure, operate, and troubleshoot networking on Google Cloud. Its value depends heavily on role fit. For someone who already owns VPC design, hybrid connectivity, cloud network security, or production troubleshooting, the certification can formalize a meaningful body of work. For someone who rarely touches networks, it may be an expensive way to study skills that will not be used often. The current exam is two hours long, costs $200 before applicable taxes, and contains 50–60…

Cybersecurity in 2026 is not defined by one new attack technique. The larger change is that familiar risks are moving through faster, more connected environments. Generative AI can accelerate both defensive analysis and social engineering. Cloud and software-as-a-service platforms concentrate important business processes behind identities and APIs. Attackers can operate with stolen sessions instead of obvious malware. At the same time, organizations are beginning the long transition toward post-quantum cryptography and more explicit resilience planning. These changes reward security programs that understand relationships rather than chase headlines. An AI assistant…

Introduction to Secure Access Service Edge (SASE) What is SASE? Secure Access Service Edge (SASE) is a cloud-native architecture that combines networking and security functions into a unified service model delivered primarily through the cloud. First introduced by Gartner in 2019, SASE was proposed as a response to the rapidly evolving digital landscape, where organizations increasingly rely on cloud services, mobile access, and distributed workforces. In this context, the traditional network perimeter has dissolved, and legacy security models have proven inadequate to protect modern enterprise environments. SASE enables secure and…

The old question “Cisco or Juniper?” is less useful in 2026 than it was a decade ago. Both ecosystems can support serious enterprise, service-provider, data-center, and security networks, and the decision increasingly depends on operating model: automation, campus and branch design, data-center architecture, routing depth, security integration, telemetry, cloud management, and the skills already present in the team. There is also a naming change worth recognizing. In September 2026, the Juniper Networks Certification Program was renamed the HPE Networking Certification Program following the HPE-Juniper integration. The underlying Junos expertise and…

In today’s rapidly evolving technological landscape, the wireless industry continues to grow at an astonishing pace. With constant advancements in wireless networking technologies, IT professionals must stay ahead of the curve to remain relevant. The wireless sector has become an essential part of modern infrastructure, powering everything from home networks to enterprise-level systems. As a result, certifications in wireless networking have become increasingly crucial for those seeking to break into or advance their careers in the IT field. 2026 certification update: CWNP released CWNA-110 on September 29, 2026; CWNA-109 remains…