Ravindra's Blog

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  • 🛠️ How to Install Oracle 19c on RHEL 8 (Silent Mode – No GUI)

    May 15, 2025
    DataBases

    19c is a powerful database platform and installing it on a headless RHEL 8 server is a common requirement for many enterprise setups. This guide walks you through a clean, GUI-free installation using silent mode with a response file. âś… Prerequisites System Requirements OS: RHEL 8.10 (64-bit) RAM: Minimum 8 GB Swap: Equal to RAM…

  • Cybersecurity Quiz to test your knowledge

    April 16, 2025
    Cyber Security

    The best way to learn and truly retain information over time is to test yourself regularly. Quizzing not only reinforces what you’ve learned, but also helps identify gaps in your knowledge. Take the quiz below to assess your readiness for your next cybersecurity certification exam, job interview, internal training, or simply to stay sharp in…

  • Building a Strong Security Culture: Simple Steps for Lasting Protection

    April 11, 2025
    Cyber Security

    In today’s digital world, cybersecurity isn’t just an IT problem—it’s everyone’s responsibility. But how do you turn employees from potential security risks into your first line of defense? The answer lies in building a strong security culture. Why Security Awareness Matters Most cyberattacks (90%) succeed because of human mistakes—like clicking phishing links or using weak passwords. Nearly…

  • The Pillars of a Strong Security Culture: Awareness, Behavior, and Advocacy

    April 11, 2025
    Cyber Security

    A robust security culture is built on three foundational elements: awareness, behavior, and advocacy. While awareness educates employees about threats, behavior reflects their actions, and advocacy ensures security becomes a shared responsibility across all organizational levels. 1. Awareness vs. Behavior vs. Culture Awareness is the baseline—“You say I should”—where employees learn about risks like phishing. Behavior…

  • Unlocking the Power of Purple Teaming: A Guide to Threat-Informed Defense

    March 1, 2025
    Cyber Security

    In today’s rapidly evolving cybersecurity landscape, organizations must adopt proactive strategies to stay ahead of adversaries. One such strategy is Purple Teaming, a collaborative approach that bridges the gap between offensive (Red Team) and defensive (Blue Team) security practices. This blog post dives into the core concepts of Purple Teaming, its foundational principles, and how…

  • Understanding PKI: A Simple Guide to How Online Security Works

    February 7, 2025
    Cyber Security

    Have you ever wondered how websites keep your information safe when you shop online or log in to your email? The answer lies in something called Public Key Infrastructure (PKI). PKI is like a digital security system that helps protect your data and verify who you’re talking to online. Let’s break it down in simple…

  • Installing Veeam Backup & Replication Software

    February 2, 2025
    Backup & Recovery

    Veeam Backup & Replication is a powerful software solution designed to protect your data by enabling backup, replication, and recovery across various infrastructures—whether virtual, physical, or cloud-based. This guide will walk you through the step-by-step process of installing Veeam Backup & Replication using the installation wizard. Step 1: Download Veeam Backup & Replication Software Download…

  • Canadian Legislation Proposed to Secure Public Sector Use of AI

    January 29, 2025
    Cyber Security

    As artificial intelligence (AI) technologies continue to evolve and play a larger role in various sectors, their integration into government and public services presents unique challenges and risks. In Canada, there is growing concern about the security, ethics, and transparency surrounding the use of AI in the public sector. In response to these concerns, Canada…

  • How Deepfakes and Large Language Models (LLMs) Pose a Cybersecurity Threat and Best Ways to Prevent Them

    January 29, 2025
    Cyber Security

    In recent years, artificial intelligence (AI) technologies such as deepfakes and large language models (LLMs) have made significant strides, offering incredible advancements in areas like media production and natural language processing. However, as with any powerful technology, they come with the potential for abuse, and in the realm of cybersecurity, they pose new and serious…

  • What is NIS2?

    January 28, 2025
    Cyber Security

    stands for the Network and Information Systems Directive 2, which is an updated version of the original NIS Directive (Directive 2016/1148). First introduced in 2016, the NIS Directive aimed to improve the cybersecurity resilience of the EU’s critical infrastructure sectors. However, as cyber threats have evolved, the EU recognized the need to strengthen these regulations…

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