Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

On April 10th, 2025 12:10 UTC, a security researcher notified Cloudflare of two vulnerabilities (CVE-2025-4820 and CVE-2025-4821) related to QUIC packet acknowledgement (ACK) handling, through our Public Bug Bounty program. These were DDoS vulnerabilities in the quiche library, and Cloudflare services that use it. quiche is Cloudflare's open-source implementation of QUIC protocol, which is the transport protocol behind HTTP/3.

In today’s enterprise environments, endpoints are more than just laptops and desktops. They are the critical bridge where people, applications, and data intersect. While much attention is given to malware prevention and threat detection, one security layer is often underestimated: device control.

In early September 2025, attackers used a phishing email to compromise one or more trusted maintainer accounts on npm. They used this to publish malicious releases of 18 widely used npm packages (for example chalk, debug, ansi-styles) that account for more than 2 billion downloads per week. Websites and applications that used these compromised packages were vulnerable to hackers stealing crypto assets (“crypto stealing” or “wallet draining”) from end users.

A brute force attack is a method cybercriminals use to guess login credentials through repeated attempts until one works. It’s a simple idea that’s evolved into one of the most persistent enablers of account takeover (ATO). According to the 2024 Verizon Data Breach Investigations Report, brute force and credential-stuffing techniques accounted for nearly 70% of all password-related breaches that year, underscoring how these attacks remain a dominant entry point for ATO.

Blog post updated for clarity. In late September 2025, several European airports reported significant delays and flight cancellations due to disruptions with their check-in and passenger systems. As a global leader in aviation technology and the backbone of passenger travel, protection of systems and customer operations is paramount for Collins Aerospace. Nonetheless, the vendor of the vMUSE check-in system had been hit by a ransomware attack.

Cybercrime doesn’t differentiate between individuals. It can happen to anyone, anytime. We have all heard about phishing attacks, where attackers deceive innocent people into clicking on malicious links and expose their sensitive information. It happens through text messages, emails, and phone calls. When such phishing targets high-profile individuals, like CEOs, CFOs, or top executives of organizations, it’s called a ‘Whaling Attack’.

In late September 2025, several European airports reported significant delays and flight cancellations due to issues with their check-in and passenger systems. Collin’s Aerospace, the vendor of the vMUSE check-in system, had been hit by a ransomware attack. ARINC error message: Source: Cyberplace.social.