Close Menu
  • Home
  • Cybercrime and Ransomware
  • Emerging Tech
  • Threat Intelligence
  • Expert Insights
  • Careers and Learning
  • Compliance

Subscribe to Updates

Subscribe to our newsletter and never miss our latest news

Subscribe my Newsletter for New Posts & tips Let's stay updated!

What's Hot

Never Sleep: The Crucial Role of 24/7 Support in Cybersecurity

June 29, 2026

Photo ZIP Campaign Transforms Hospitality with Persistent Access Node.js Implant

June 28, 2026

Third-Party Breaches Cost Schools a Hard Lesson in Vendor Risk

June 27, 2026
Facebook X (Twitter) Instagram
The CISO Brief
  • Home
  • Cybercrime and Ransomware
  • Emerging Tech
  • Threat Intelligence
  • Expert Insights
  • Careers and Learning
  • Compliance
Home » Critical Cyber Threats: Fortinet Exploit, Chrome 0-Day, Record DDoS & More!

Critical Cyber Threats: Fortinet Exploit, Chrome 0-Day, Record DDoS & More!

Staff WriterBy Staff WriterNovember 24, 2025No Comments2 Mins Read5 Views
Facebook Twitter Pinterest LinkedIn Tumblr Email
Share
Facebook Twitter LinkedIn Pinterest WhatsApp Email

Summary Points

  1. New Exploits Exposed: Hackers leveraged vulnerabilities in Fortinet and Google Chrome this week, with active exploitation of FortiWeb flaws and an urgent patch for a Chrome zero-day (CVE-2025-13223) rated 8.8 for severity.

  2. Supply Chain Risk Intensified: Salesforce reported unauthorized access linked to Gainsight apps, highlighting the danger posed by SaaS integrations that can compromise multiple systems through a single breach.

  3. Record DDoS Attack Neutralized: Microsoft mitigated a staggering 15.72 Tbps DDoS attack, the largest recorded in cloud history, showcasing the escalating scale of security threats from IoT-based botnets.

  4. Emerging Phishing Schemes: New phishing tactics targeting WhatsApp accounts have exploited cloned login interfaces, impacting hundreds and utilizing urgency-driven tactics to deceive users into revealing authentication credentials.

⚡ Threat of the Week

This week, cybersecurity faced significant challenges as hackers exploited vulnerabilities in Fortinet and Chrome. Fortinet issued a warning about a medium-severity flaw in FortiWeb, identified as CVE-2025-58034. This security weakness allows authenticated attackers to execute unauthorized commands, potentially compromising systems. Orange Cyberdefense detected various campaigns linking this flaw with a recently patched vulnerability, raising concerns about Fortinet’s transparency in disclosure.

Meanwhile, Google announced an urgent update for its Chrome browser. A critical zero-day vulnerability, CVE-2025-13223, became a target in active exploitation. This flaw, related to JavaScript and WebAssembly, could allow hackers to execute arbitrary code. Google has now addressed several critical vulnerabilities this year, emphasizing the ever-evolving landscape of cyber threats.

🔔 Top News

In other news, a record DDoS attack has tested Microsoft’s defenses, reaching an unprecedented 15.72 terabits per second. While the target remains undisclosed, the attack signifies the increasing power of DDoS for-hire operations. Additionally, Salesforce reported unusual activity linked to Gainsight applications, prompting immediate action to revoke access and enhance security protocols. This breach highlights the vulnerabilities present in SaaS integrations.

New phishing schemes also emerged, specifically targeting WhatsApp users through cloned login portals. The attackers have utilized over 9,000 phishing URLs, exploiting low-regulation domains to execute their schemes. This rising trend of sophisticated phishing attacks accentuates the ongoing need for vigilance and user education in cybersecurity practices.

Continue Your Tech Journey

Explore the future of technology with our detailed insights on Artificial Intelligence.

Explore past and present digital transformations on the Internet Archive.

DataProtection-V1

Share. Facebook Twitter Pinterest LinkedIn Tumblr Email
Previous ArticleMazda Confirms No Data Breach or Disruption from Oracle Hack
Next Article Data Breach at SitusAMC Threatens Financial Services Firms
Avatar photo
Staff Writer
  • Website

John Marcelli is a staff writer for the CISO Brief, with a passion for exploring and writing about the ever-evolving world of technology. From emerging trends to in-depth reviews of the latest gadgets, John stays at the forefront of innovation, delivering engaging content that informs and inspires readers. When he's not writing, he enjoys experimenting with new tech tools and diving into the digital landscape.

Comments are closed.

Latest Posts

Never Sleep: The Crucial Role of 24/7 Support in Cybersecurity

June 29, 2026

Japan’s Ground Self-Defense Force Faces Malware Threat via Infected USB Drives

June 26, 2026

Zero Trust in OT: A 90-Day Board Engagement & Action Plan

June 26, 2026

Mythos: A Signal, Not a Siren—What Frontier AI Means for CISOs

June 26, 2026
Don't Miss

Subscribe to Updates

Subscribe to our newsletter and never miss our latest news

Subscribe my Newsletter for New Posts & tips Let's stay updated!

Recent Posts

  • Never Sleep: The Crucial Role of 24/7 Support in Cybersecurity
  • Photo ZIP Campaign Transforms Hospitality with Persistent Access Node.js Implant
  • Third-Party Breaches Cost Schools a Hard Lesson in Vendor Risk
  • MeitY mandates cyber audits to counter AI-related vulnerabilities
  • Cybersecurity programs adapt to evolving cyber threats and attack methods
About Us
About Us

Welcome to The CISO Brief, your trusted source for the latest news, expert insights, and developments in the cybersecurity world.

In today’s rapidly evolving digital landscape, staying informed about cyber threats, innovations, and industry trends is critical for professionals and organizations alike. At The CISO Brief, we are committed to providing timely, accurate, and insightful content that helps security leaders navigate the complexities of cybersecurity.

Facebook X (Twitter) Pinterest YouTube WhatsApp
Our Picks

Never Sleep: The Crucial Role of 24/7 Support in Cybersecurity

June 29, 2026

Photo ZIP Campaign Transforms Hospitality with Persistent Access Node.js Implant

June 28, 2026

Third-Party Breaches Cost Schools a Hard Lesson in Vendor Risk

June 27, 2026
Most Popular

Protecting MCP Security: Defeating Prompt Injection & Tool Poisoning

January 30, 202633 Views

Unlock the Power of Free WormGPT: Harnessing DeepSeek, Gemini, and Kimi-K2 AI Models

November 27, 202530 Views

The New Face of DDoS is Impacted by AI

August 4, 202528 Views

Archives

  • June 2026
  • May 2026
  • April 2026
  • March 2026
  • February 2026
  • January 2026
  • December 2025
  • November 2025
  • October 2025
  • September 2025
  • August 2025
  • July 2025
  • June 2025

Categories

  • Compliance
  • Cyber Updates
  • Cybercrime and Ransomware
  • Editor's pick
  • Emerging Tech
  • Events
  • Featured
  • Insights
  • Most Read
  • Threat Intelligence
  • Uncategorized
© 2026 thecisobrief. Designed by thecisobrief.
  • Home
  • About Us
  • Advertise with Us
  • Contact Us
  • DMCA
  • Privacy Policy
  • Terms & Conditions

Type above and press Enter to search. Press Esc to cancel.