Kovendo

  “I don’t get why my company needs another firewall. Isn’t the old one enough?” That’s what David, a young IT administrator, asked his manager after yet another cyber-incident at their mid-sized startup. The company had a classic firewall, simple, rule-based, and rigid. It allowed or denied packets according to IP addresses and ports. Nothing fancy. But the attacks kept coming. One morning, after a breach caused by an employee clicking a “harmless” link, the manager called David into a tense meeting. “It's time you learn about the next generation firewall,” she said. At that moment, David felt lost. But by the end of this blog, just like David, you’ll feel like an expert, even if right now you think a firewall is just a digital gatekeeper.   1. The Problem With Old Firewalls (Where the Story Begins) David began his research. He soon saw what many beginners feel: Old firewalls are like a guard who can only recognize people by their clothes, not their intentions....

  According to the U.S. National Institute of Standards and Technology (NIST), over 70% of post-quantum algorithm finalists rely on lattice-based cryptography, highlighting its central role in future cybersecurity.   As quantum computing progresses rapidly, traditional cryptographic systems such as RSA and ECC face increasing risks. Experts worldwide are now turning to lattice based cryptography, a powerful and resilient family of mathematical techniques capable of withstanding both classical and quantum attacks. This blog provides a beginner-friendly explanation, followed by deeper technical insights, advanced examples, real-world use cases, and clear examples of lattice based access control, lattice based encryption, and lattice cryptography applications. Whether you're researching lattice based cryptography for beginners or looking for advanced academic insights, this comprehensive guide breaks down everything you need to know.   1. Simple Definition of Lattice-B...

According to IBM, over 80% of organizations are considering encryption solutions to protect sensitive data in cloud environments. In today’s digital era, protecting sensitive data is no longer optional. Every email, transaction, medical record, and personal communication carries private information that must be safeguarded. But what if we could compute on encrypted data without ever decrypting it? This is exactly where homomorphic encryption comes into play. In this blog, we will explore homomorphic encryption from a simple level that even a young kid can grasp, move to advanced examples, discuss its types, real-world applications, challenges, and its future potential in cloud computing.   What is Homomorphic Encryption? Homomorphic encryption (HE) is a form of encryption that allows computations to be performed on encrypted data without revealing the original information. The result of these computations, when decrypted, matches what would have been obtained if the ope...

In past year, global phishing attacks increased by more than 45 percent according to multiple cybersecurity reports, and over 90 percent of successful cyber breaches began with a phishing email. These numbers make one thing clear: technology alone cannot stop every attack. As security experts often say, humans are the first line of defense and the last line of failure. This idea forms the heart of human firewall training. This blog will take you on a detailed, story-driven journey to understand phishing attacks and how human firewall training can reduce them significantly. By the end, you will have everything you need to build or enhance a human-centric security culture.   When One Click Was All It Took Imagine a small logistics company. They used modern tools, strong firewalls, updated systems, and encrypted storage. Yet, one day their operations halted for eight straight hours. A staff member clicked on a fake invoice email that looked extremely convincing. In mere minute...

More than 70 percent of fast growing companies attribute their momentum to a clearly defined core metric that aligns every team toward a shared outcome. This is where the North Star Metric becomes a powerful strategic anchor that not only guides decisions but also inspires teams to grow with clarity. A strong North Star Metric gives founders, product leaders, marketers, and growth teams one simple question to ask every day: Are we improving the value our customers receive ? When a business bases decisions on this principle, the impact compounds. In this blog, you will explore what a North Star Metric truly is, how it is different from vanity metrics, which industries rely on it, and how you can use it to improve your strategy. You will also see north star metric examples across top companies like Spotify, Netflix, YouTube, Airbnb, and more. By the end, you will feel confident enough to align your own business around a value driven direction.   What is a North Star Metric ...

 According to behavioral‑economics research, when products in a selection set are given greater visual or contextual “salience,” consumers choose those items significantly more often ,  even when their intrinsic value is identical to others.  Understanding and ethically leveraging the Salience Bias can give digital marketers a powerful edge. By shaping what stands out to customers ,   via visuals, messaging, design or context ,   brands can influence attention, memory, decision-making, and sales. In this article we’ll dive into what salience bias is, how it works psychologically, real-world marketing use cases, ethical considerations, and a practical guide for using it to build brand and boost conversions online.    What Is Salience Bias? Salience bias (also called perceptual salience) refers to the cognitive tendency to focus disproportionately on information, stimuli or features that are more prominent ,   visually, emotionally, or conte...