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Vaishnavi

Vaishnavi

Last seen: 1 year ago

Vaishnavi is a skilled tech professional at the Ethical Hacking Training Institute in Pune, responsible for managing and optimizing the technical infrastructure that supports advanced cybersecurity education. With deep expertise in network security, backend operations, and system performance, she ensures that practical labs, online modules, and assessments run smoothly and securely. Her behind-the-scenes contributions play a vital role in delivering a seamless and secure learning experience for aspiring ethical hackers.

Member since Nov 23, 2024

What was the recent Microsoft server hack and how did it affect global organizations?

A major cyberattack exploited a zero-day vulnerability in Microsoft SharePoint servers, affecting nearly 100 organizations worldwide. The breach allowed attackers, possibly state-sponsored, to insert backdoors into se...

What Is Scan to Pay and How Does It Work? A Step-by-Step Guide to UPI QR Payments

Scan to Pay is a digital payment method where users scan a QR code using a smartphone to instantly pay a merchant. This system uses QR code technology, a payment gateway, and UPI or wallet-based apps like Google Pay, ...

How did a weak password lead to the downfall of a 158-year-old UK logistics company in a ransomware attack?

A single weak password led to the devastating collapse of KNP Logistics, a 158-year-old UK transport company, after it fell victim to the Akira ransomware gang. The attackers exploited a compromised employee password,...

What is the importance of penetration testing for startups in 2026?

Penetration testing (pen testing) is important for startups in 2026 because it helps detect and fix security vulnerabilities before attackers exploit them. As startups handle customer data, integrate third-party servi...

What is the difference between external and internal penetration testing?

External vs Internal Penetration Testing refers to two different approaches used to assess security vulnerabilities. External testing simulates an attack from outside the network (like a hacker on the internet), while...

What are injection attacks in cyber security and how can you prevent them?

Injection attacks in cyber security occur when a hacker sends malicious code through an input field to trick an application into executing unintended commands. These attacks can lead to data theft, unauthorized access...

What is the origin of ransomware and how has it evolved over time?

Ransomware began in 1989 with the AIDS Trojan, a virus that locked files and demanded money via postal mail. Since then, it has evolved into a powerful cyberweapon using advanced encryption, cryptocurrencies, and glob...

What are the 5 key steps in a cybersecurity incident response plan and how do they help mitigate and recover from attacks?

An effective cybersecurity incident response plan includes five key steps: Preparation, Identification, Containment, Eradication & Recovery, and Lessons Learned. These steps ensure organizations are ready before an at...

Pentester vs Security Researcher: How the Roles Differ and Which Career Path to Choose

A pentester (penetration tester) actively tests and simulates cyberattacks on systems to find vulnerabilities, while a security researcher focuses on discovering unknown threats, analyzing malware, and developing new ...

What is the new 7-Zip vulnerability CVE-2025-53816 and how can it crash systems using RAR5 files?

A newly discovered memory corruption vulnerability in 7-Zip, tracked as CVE-2025-53816, allows attackers to craft malicious RAR5 archive files that trigger heap-based buffer overflows, leading to denial-of-service (Do...

How to Remove Ransomware and Recover Your Files Without Paying

Learn step-by-step how to remove ransomware and decrypt your files without paying a ransom. Explore real-world tools, best practices, and prevention strategies in this updated 2025 guide.

How to Protect Online Video Calls From Hackers: Settings, Habits and Scams

In 2026, online video conferencing remains an essential part of work, education, and communication, but also a key target for cybercriminals. To protect your calls from hackers, it’s important to use secure platforms ...

What are the common types of network and application attacks in 2026, and how can you defend against them?

Network and application attacks are becoming more advanced in 2026, targeting vulnerabilities in servers, APIs, web apps, and cloud environments. From DDoS to SQL injection and API abuse, organizations need to adopt p...

What are the major cybersecurity threats to watch out for in 2026?

In 2026, cybersecurity is dominated by advanced threats such as AI-powered phishing, supply chain attacks, deepfake scams, and critical infrastructure targeting. With the rise of cloud-first environments and remote wo...

What happened during the Aflac social engineering cyber attack in June 2025 and what can we learn from it?

In June 2026, U.S. insurance provider Aflac fell victim to a sophisticated social engineering attack, believed to be carried out by the Scattered Spider group. The attacker used impersonation techniques to gain unauth...

The June 2025 WestJet Cyber Attack: What Happened, What Is Reported and What to Learn

In June 2026, Canadian airline WestJet experienced a cyber attack that caused disruptions to its website and mobile app. While flight operations remained unaffected, internal systems were compromised. The threat group...