
Daily Security Briefing 021
- DjediTech
- Security , Newsletter
- September 25, 2025
Table of Contents
September 25, 2025 | Read Online
Quantum-safe cryptography, Chinese state hackers infiltrate telecoms, Cisco zero-day exploits, FIFA 2026 threat prep…
Executive Summary
The cybersecurity landscape today is marked by growing concerns of future quantum threats and intensified state-sponsored espionage. Chinese hacker groups continue to target global telecommunications and government sectors with advanced persistent campaigns. Alongside these sophisticated attacks, emergent zero-day vulnerabilities in Cisco products are actively being exploited, prompting emergency directives for patching. Meanwhile, threat actors are already gearing up for the 2026 FIFA World Cup with deceptive campaigns. These developments underscore the critical need for proactive defenses and awareness as both technology and threat tactics rapidly evolve.
Top Articles
Quantum-Safe Cyber Security: Current Capabilities and the Road Ahead
Quantum computing promises to break many current encryption methods securing VPNs, TLS, and digital identities. This creates an immediate threat called “harvest now, decrypt later,” where attackers collect encrypted data now to decrypt when quantum resources are available. The article explores the current state of quantum-safe cryptographic research and the challenges ahead in deploying these next-generation protections.
Checkpoint
Chinese State-Sponsored Hackers Targeting Telecommunications Infrastructure to Steal Sensitive Data
The Salt Typhoon APT group, aligned with China’s Ministry of State Security, continues deep espionage on global telecom networks. Active since at least 2019, they exploit network edge devices to maintain persistent access and exfiltrate sensitive metadata and signals intelligence. This campaign reflects a sustained effort targeting critical communications infrastructure worldwide.
GBHackers | CyberPress
Playing Offside: How Threat Actors Are Warming Up for FIFA 2026
With the 2026 FIFA World Cup approaching, cybercriminals are already registering thousands of deceptive domains and scams. These threat actors aim to exploit the event’s massive global audience through phishing, malware, and fraudulent sponsorship schemes. The report highlights the early tactics being deployed and warns organizations to prepare defenses around this major sporting event.
Checkpoint
RedNovember Hackers Targeting Government and Tech Organizations to Install Backdoor
The Chinese state-sponsored RedNovember group, linked to the TAG-100 campaign, has intensified its cyber-espionage efforts against governmental and technology sectors. Using a Go-based backdoor called Pantegana, the group has expanded operations targeting perimeter devices to establish long-term access and data exfiltration capabilities.
GBHackers
Hackers Use AI Generated Code to Hide Malicious Payloads from Traditional Defenses
A recent sophisticated phishing campaign exploited AI-generated code obfuscation to bypass traditional email security solutions. Attackers used compromised small-business email accounts and personalized techniques to mask real targets, delivering weaponized attachments disguised as file-sharing notifications. This showcases the increasing use of AI in evading conventional security controls.
CyberPress
Urgent: Cisco ASA Zero-Day Duo Under Attack; CISA Triggers Emergency Mitigation Directive
Cisco has disclosed two critical zero-day vulnerabilities in its Secure Firewall ASA and FTD products that are actively exploited in the wild. The flaws, including a high severity input validation bug, have prompted CISA to issue an emergency directive urging immediate patching to prevent further compromise of VPN web servers.
TheHackerNews
Cisco Uncovers New SNMP Vulnerability Used in Attacks on IOS Devices
Cisco also revealed a critical flaw (CVE-2025-20352) affecting IOS and IOS XE devices’ SNMP subsystem, which is currently exploited in active attacks. The vulnerability allows attackers to compromise core network operating systems, underscoring the urgent need for network operators to update their infrastructure promptly.
CyberScoop
Threatsday Bulletin: Rootkit Patch, Federal Breach, OnePlus SMS Leak, TikTok Scandal & More
This bulletin summarizes recent important cybersecurity events, including a rootkit vulnerability patch, breaches affecting federal agencies, personal data leaks via OnePlus SMS, and ongoing investigations into TikTok’s data handling practices. It serves as a quick digest of today’s assorted security headlines.
TheHackerNews
Amazon Pays $2.5 Billion to Settle Prime Memberships Lawsuit
Amazon agreed to a $2.5 billion settlement with the FTC over allegations that it used dark patterns to trick millions into enrolling in Prime memberships and making cancellations difficult. This settlement highlights regulatory focus on deceptive online subscription practices.
BleepingComputer
Co-op Says It Lost $107 Million After Scattered Spider Attack
The UK’s Co-operative Group reported a significant $107 million loss in operating profit during H1 2025 due to a cyberattack attributed to the Scattered Spider threat actor. The attack disrupted operations and caused substantial financial damage, demonstrating the continuing impact of ransomware and cyber intrusion campaigns on enterprises.
BleepingComputer
AI Transparency: This newsletter uses AI to curate, rank, and summarize cybersecurity content from leading industry blogs. All articles link directly to original authors. Executive summaries are AI-generated based on article content. I curate the sources and deliver the digest—the original authors deserve the credit for their excellent work.