Mladen Kirilov
@ml4den.com
Pinned
Mladen Kirilov
@ml4den.com
· Nov 17
Cybersecurity News Weekly | Mladen Kirilov | Substack
An easy-to-digest review of some of the week's top cybersecurity news. Click to read Cybersecurity News Weekly, by Mladen Kirilov, a Substack publication. Launched 8 months ago.
cybernewsweekly.substack.com
Check out my newsletter on #cybersecurity #news that I publish every week on my FREE Substack:
cybernewsweekly.substack.com
cybernewsweekly.substack.com
A critical zero-day in widely-used web frameworks sent shockwaves through the development community this week, with state-sponsored actors moving faster than most security teams could respond.
#react #nextjs #cloudflare #react2shell #cybersecurity
#react #nextjs #cloudflare #react2shell #cybersecurity
Cybersecurity News Review - Week 49 (2025)
A critical zero-day in widely-used web frameworks sent shockwaves through the development community this week, with state-sponsored actors moving faster than most security teams could respond.
cybernewsweekly.substack.com
December 5, 2025 at 5:53 PM
A critical zero-day in widely-used web frameworks sent shockwaves through the development community this week, with state-sponsored actors moving faster than most security teams could respond.
#react #nextjs #cloudflare #react2shell #cybersecurity
#react #nextjs #cloudflare #react2shell #cybersecurity
This week proved that no sector is safe, with airlines, universities, and tech giants all falling victim to sophisticated attacks.
#Cybersecurity #Malware #AIThreat
#Cybersecurity #Malware #AIThreat
Cybersecurity News Review - Week 48 (2025)
This week proved that no sector is safe, with airlines, universities, and tech giants all falling victim to sophisticated attacks.
cybernewsweekly.substack.com
November 28, 2025 at 7:04 PM
This week proved that no sector is safe, with airlines, universities, and tech giants all falling victim to sophisticated attacks.
#Cybersecurity #Malware #AIThreat
#Cybersecurity #Malware #AIThreat
This week brought a cascade of urgent security patches as attackers accelerated their exploitation of newly discovered vulnerabilities across enterprise software.
#ZeroDay #Cybersecurity #Vulnerabilities #Malware #PatchManagement
#ZeroDay #Cybersecurity #Vulnerabilities #Malware #PatchManagement
Cybersecurity News Review - Week 47 (2025)
This week brought a cascade of urgent security patches as attackers accelerated their exploitation of newly discovered vulnerabilities across enterprise software.
cybernewsweekly.substack.com
November 21, 2025 at 7:43 PM
This week brought a cascade of urgent security patches as attackers accelerated their exploitation of newly discovered vulnerabilities across enterprise software.
#ZeroDay #Cybersecurity #Vulnerabilities #Malware #PatchManagement
#ZeroDay #Cybersecurity #Vulnerabilities #Malware #PatchManagement
Zero-day exploits and ransomware campaigns dominated this week’s threat landscape as attackers refined their tactics across multiple platforms.
#cybersecurity #ransomware #zeroDay #databreach #infosec
#cybersecurity #ransomware #zeroDay #databreach #infosec
Cybersecurity News Review - Week 46 (2025)
Zero-day exploits and ransomware campaigns dominated this week’s threat landscape as attackers refined their tactics across multiple platforms.
cybernewsweekly.substack.com
November 14, 2025 at 6:20 PM
Zero-day exploits and ransomware campaigns dominated this week’s threat landscape as attackers refined their tactics across multiple platforms.
#cybersecurity #ransomware #zeroDay #databreach #infosec
#cybersecurity #ransomware #zeroDay #databreach #infosec
From zero-day vulnerabilities requiring immediate attention to AI-powered malware rewriting the rules of detection, this week highlighted both the fragility and complexity of modern cybersecurity.
#Cybersecurity #ZeroDay #AIMalware
#Cybersecurity #ZeroDay #AIMalware
Cybersecurity News Review - Week 45 (2025)
From zero-day vulnerabilities requiring immediate attention to AI-powered malware rewriting the rules of detection, this week highlighted both the fragility and complexity of modern cybersecurity.
cybernewsweekly.substack.com
November 7, 2025 at 6:03 PM
From zero-day vulnerabilities requiring immediate attention to AI-powered malware rewriting the rules of detection, this week highlighted both the fragility and complexity of modern cybersecurity.
#Cybersecurity #ZeroDay #AIMalware
#Cybersecurity #ZeroDay #AIMalware
Massive data breaches affecting millions dominated headlines this week alongside sophisticated attacks on critical infrastructure and trusted platforms.
#cybersecurity #databreach #ransomware #threatintel #aiforsecurity
#cybersecurity #databreach #ransomware #threatintel #aiforsecurity
Cybersecurity News Review - Week 44 (2025)
Massive data breaches affecting millions dominated headlines this week alongside sophisticated attacks on critical infrastructure and trusted platforms.
cybernewsweekly.substack.com
October 31, 2025 at 6:02 PM
Massive data breaches affecting millions dominated headlines this week alongside sophisticated attacks on critical infrastructure and trusted platforms.
#cybersecurity #databreach #ransomware #threatintel #aiforsecurity
#cybersecurity #databreach #ransomware #threatintel #aiforsecurity
Critical vulnerabilities in widely-used systems sparked urgent patching efforts this week as threat actors deployed increasingly sophisticated attack methods.
#cybersecurity #vulnerabilities #patching #supplychain #cyberattack
#cybersecurity #vulnerabilities #patching #supplychain #cyberattack
Cybersecurity News Review - Week 43 (2025)
Critical vulnerabilities in widely-used systems sparked urgent patching efforts this week as threat actors deployed increasingly sophisticated attack methods.
cybernewsweekly.substack.com
October 24, 2025 at 3:52 PM
Critical vulnerabilities in widely-used systems sparked urgent patching efforts this week as threat actors deployed increasingly sophisticated attack methods.
#cybersecurity #vulnerabilities #patching #supplychain #cyberattack
#cybersecurity #vulnerabilities #patching #supplychain #cyberattack
Nation-state hackers struck at the heart of critical infrastructure this week, while everyday users face a new wave of sophisticated phishing attacks.
#cybersecurity #hacking #phishing #vulnerabilities #databreach
#cybersecurity #hacking #phishing #vulnerabilities #databreach
Cybersecurity News Review - Week 42 (2025)
Nation-state hackers struck at the heart of critical infrastructure this week, while everyday users face a new wave of sophisticated phishing attacks.
cybernewsweekly.substack.com
October 17, 2025 at 4:43 PM
Nation-state hackers struck at the heart of critical infrastructure this week, while everyday users face a new wave of sophisticated phishing attacks.
#cybersecurity #hacking #phishing #vulnerabilities #databreach
#cybersecurity #hacking #phishing #vulnerabilities #databreach
Major breaches at trusted platforms and a dangerous new botnet dominated headlines this week.
#cybersecurity #ransomware #botnets #databreach #threatintelligence
#cybersecurity #ransomware #botnets #databreach #threatintelligence
Cybersecurity News Review - Week 41 (2025)
Major breaches at trusted platforms and a dangerous new botnet dominated headlines this week.
cybernewsweekly.substack.com
October 10, 2025 at 5:50 PM
Major breaches at trusted platforms and a dangerous new botnet dominated headlines this week.
#cybersecurity #ransomware #botnets #databreach #threatintelligence
#cybersecurity #ransomware #botnets #databreach #threatintelligence
While federal cybersecurity agencies operate with a skeleton crew, threat actors are making their moves - exploiting everything from AI assistants to beer factories.
#cybersecurity #vulnerabilities #AI #ransomware #breach
#cybersecurity #vulnerabilities #AI #ransomware #breach
Cybersecurity News Review - Week 40 (2025)
While federal cybersecurity agencies operate with a skeleton crew, threat actors are making their moves - exploiting everything from AI assistants to beer factories.
cybernewsweekly.substack.com
October 3, 2025 at 8:27 PM
While federal cybersecurity agencies operate with a skeleton crew, threat actors are making their moves - exploiting everything from AI assistants to beer factories.
#cybersecurity #vulnerabilities #AI #ransomware #breach
#cybersecurity #vulnerabilities #AI #ransomware #breach
Server motherboards face serious firmware threats while AI-powered malware marks a dangerous new frontier in cybercrime.
#cybersecurity #malware #AI #databreach #ransomware
#cybersecurity #malware #AI #databreach #ransomware
Cybersecurity News Review - Week 39 (2025)
Server motherboards face serious firmware threats while AI-powered malware marks a dangerous new frontier in cybercrime.
cybernewsweekly.substack.com
September 26, 2025 at 5:07 PM
Server motherboards face serious firmware threats while AI-powered malware marks a dangerous new frontier in cybercrime.
#cybersecurity #malware #AI #databreach #ransomware
#cybersecurity #malware #AI #databreach #ransomware
Supply chain attacks reached new heights this week with a self-replicating worm infiltrating hundreds of packages while major tech giants rushed to patch critical zero-day exploits.
#cybersecurity #supplychain #AI #threats #vulnerabilities
#cybersecurity #supplychain #AI #threats #vulnerabilities
Cybersecurity News Review - Week 38 (2025)
Supply chain attacks reached new heights this week with a self-replicating worm infiltrating hundreds of packages while major tech giants rushed to patch critical zero-day exploits.
cybernewsweekly.substack.com
September 19, 2025 at 11:43 PM
Supply chain attacks reached new heights this week with a self-replicating worm infiltrating hundreds of packages while major tech giants rushed to patch critical zero-day exploits.
#cybersecurity #supplychain #AI #threats #vulnerabilities
#cybersecurity #supplychain #AI #threats #vulnerabilities
Supply chain attacks reached unprecedented scale this week, affecting billions of users through compromised development tools and package repositories.
#cybersecurity #supplychainattacks #artificialintelligence #malware #hacking
#cybersecurity #supplychainattacks #artificialintelligence #malware #hacking
Cybersecurity News Review - Week 37 (2025)
Supply chain attacks reached unprecedented scale this week, affecting billions of users through compromised development tools and package repositories.
cybernewsweekly.substack.com
September 12, 2025 at 6:53 PM
Supply chain attacks reached unprecedented scale this week, affecting billions of users through compromised development tools and package repositories.
#cybersecurity #supplychainattacks #artificialintelligence #malware #hacking
#cybersecurity #supplychainattacks #artificialintelligence #malware #hacking
AI tools are being weaponized by threat actors in unprecedented ways. From zero-day exploits to record-breaking DDoS attacks, the cybersecurity landscape continues to evolve at an alarming pace.
#cybersecurity #infosec #cloudsecurity #ai #malware
#cybersecurity #infosec #cloudsecurity #ai #malware
Cybersecurity News Review - Week 36 (2025)
Major cloud platforms and messaging apps faced serious security breaches this week, while AI tools are being weaponized by threat actors in unprecedented ways.
cybernewsweekly.substack.com
September 5, 2025 at 4:40 PM
AI tools are being weaponized by threat actors in unprecedented ways. From zero-day exploits to record-breaking DDoS attacks, the cybersecurity landscape continues to evolve at an alarming pace.
#cybersecurity #infosec #cloudsecurity #ai #malware
#cybersecurity #infosec #cloudsecurity #ai #malware
What happens when AI starts writing its own malicious code and foreign adversaries embed themselves in the software supply chain? Check out the latest cybersecurity news from this week.
#cybersecurity #news #tech #ai #vulnerabilities
#cybersecurity #news #tech #ai #vulnerabilities
Cybersecurity News Review - Week 35 (2025)
What happens when AI starts writing its own malicious code and foreign adversaries embed themselves in the software supply chain?
cybernewsweekly.substack.com
August 29, 2025 at 5:37 PM
What happens when AI starts writing its own malicious code and foreign adversaries embed themselves in the software supply chain? Check out the latest cybersecurity news from this week.
#cybersecurity #news #tech #ai #vulnerabilities
#cybersecurity #news #tech #ai #vulnerabilities
AI-powered exploits are shrinking vulnerability response times from weeks to mere minutes, fundamentally changing the cybersecurity landscape.
#cybersecurity #aithreats #zeroday #databreach
#cybersecurity #aithreats #zeroday #databreach
Cybersecurity News Review - Week 34 (2025)
AI-powered exploits are shrinking vulnerability response times from weeks to mere minutes, fundamentally changing the cybersecurity landscape.
cybernewsweekly.substack.com
August 22, 2025 at 4:39 PM
AI-powered exploits are shrinking vulnerability response times from weeks to mere minutes, fundamentally changing the cybersecurity landscape.
#cybersecurity #aithreats #zeroday #databreach
#cybersecurity #aithreats #zeroday #databreach
Major chipmakers and security vendors scrambled to patch critical flaws this week as cybercriminals demonstrated new methods for bypassing trusted authentication systems.
#cybersecurity #vulnerabilities #patchtuesday #ai #malware
#cybersecurity #vulnerabilities #patchtuesday #ai #malware
Cybersecurity News Review - Week 33 (2025)
Major chipmakers and security vendors scrambled to patch critical flaws this week as cybercriminals demonstrated new methods for bypassing trusted authentication systems.
cybernewsweekly.substack.com
August 15, 2025 at 4:44 PM
Major chipmakers and security vendors scrambled to patch critical flaws this week as cybercriminals demonstrated new methods for bypassing trusted authentication systems.
#cybersecurity #vulnerabilities #patchtuesday #ai #malware
#cybersecurity #vulnerabilities #patchtuesday #ai #malware
AI-powered attacks reached new levels of sophistication this week as researchers demonstrated autonomous breach capabilities that mirror major historical incidents.
#cybersecurity #AI #tech #hacking #databreach
cybernewsweekly.subs...
#cybersecurity #AI #tech #hacking #databreach
cybernewsweekly.subs...
Cybersecurity News Review - Week 31 (2025)
AI-powered attacks reached new levels of sophistication this week as researchers demonstrated autonomous breach capabilities that mirror major historical incidents.
cybernewsweekly.substack.com
August 1, 2025 at 5:20 PM
AI-powered attacks reached new levels of sophistication this week as researchers demonstrated autonomous breach capabilities that mirror major historical incidents.
#cybersecurity #AI #tech #hacking #databreach
cybernewsweekly.subs...
#cybersecurity #AI #tech #hacking #databreach
cybernewsweekly.subs...
Critical vulnerabilities in widely-used enterprise platforms sparked emergency patching cycles while threat actors found creative ways to bypass even the most advanced security measures.
#cybersecurity #vulnerabilities #patching #AI #malware
cybernewsweekly.subs...
#cybersecurity #vulnerabilities #patching #AI #malware
cybernewsweekly.subs...
Cybersecurity News Review - Week 30 (2025)
Critical vulnerabilities in widely-used enterprise platforms sparked emergency patching cycles while threat actors found creative ways to bypass even the most advanced security measures.
cybernewsweekly.substack.com
July 25, 2025 at 4:41 PM
Critical vulnerabilities in widely-used enterprise platforms sparked emergency patching cycles while threat actors found creative ways to bypass even the most advanced security measures.
#cybersecurity #vulnerabilities #patching #AI #malware
cybernewsweekly.subs...
#cybersecurity #vulnerabilities #patching #AI #malware
cybernewsweekly.subs...
From 20-year-old infrastructure flaws to cutting-edge AI exploits, the threat landscape continues to surprise even seasoned professionals.
#cybersecurity #vulnerabilities #ai #threats #cyberattacks
cybernewsweekly.subs...
#cybersecurity #vulnerabilities #ai #threats #cyberattacks
cybernewsweekly.subs...
Cybersecurity News Review - Week 29 (2025)
Maximum severity vulnerabilities and breakthrough attack techniques dominated the cybersecurity news this week.
cybernewsweekly.substack.com
July 18, 2025 at 8:25 PM
From 20-year-old infrastructure flaws to cutting-edge AI exploits, the threat landscape continues to surprise even seasoned professionals.
#cybersecurity #vulnerabilities #ai #threats #cyberattacks
cybernewsweekly.subs...
#cybersecurity #vulnerabilities #ai #threats #cyberattacks
cybernewsweekly.subs...
From teenagers bringing down major retailers to state-sponsored groups infiltrating surveillance systems, this week proves that cyber threats come from every direction.
#cybersecurity #ransomware #artificialintelligence #malware #hacking
cybernewsweekly.subs...
#cybersecurity #ransomware #artificialintelligence #malware #hacking
cybernewsweekly.subs...
Cybersecurity News Review - Week 28 (2025)
From teenagers bringing down major retailers to state-sponsored groups infiltrating surveillance systems, this week proves that cyber threats come from every direction.
cybernewsweekly.substack.com
July 11, 2025 at 1:02 PM
From teenagers bringing down major retailers to state-sponsored groups infiltrating surveillance systems, this week proves that cyber threats come from every direction.
#cybersecurity #ransomware #artificialintelligence #malware #hacking
cybernewsweekly.subs...
#cybersecurity #ransomware #artificialintelligence #malware #hacking
cybernewsweekly.subs...
Geopolitical tensions continued to drive cybersecurity headlines this week while a critical browser vulnerability puts millions at risk.
#cybersecurity #hacking #malware #vulnerabilities #cyberattacks
cybernewsweekly.subs...
#cybersecurity #hacking #malware #vulnerabilities #cyberattacks
cybernewsweekly.subs...
Cybersecurity News Review - Week 27 (2025)
Geopolitical tensions continued to drive cybersecurity headlines this week while a critical browser vulnerability puts millions at risk.
cybernewsweekly.substack.com
July 5, 2025 at 8:50 AM
Geopolitical tensions continued to drive cybersecurity headlines this week while a critical browser vulnerability puts millions at risk.
#cybersecurity #hacking #malware #vulnerabilities #cyberattacks
cybernewsweekly.subs...
#cybersecurity #hacking #malware #vulnerabilities #cyberattacks
cybernewsweekly.subs...
Critical infrastructure faces mounting pressure this week with multiple 10/10 severity vulnerabilities in AMI firmware and Cisco systems being actively exploited alongside new "CitrixBleed 2" flaws
#cybersecurity #ransomware #vulnerabilities #cyberattacks
cybernewsweekly.subs...
#cybersecurity #ransomware #vulnerabilities #cyberattacks
cybernewsweekly.subs...
Cybersecurity News Review - Week 26 (2025)
Critical infrastructure faces mounting pressure this week with multiple 10/10 severity vulnerabilities in AMI firmware and Cisco systems being actively exploited alongside new "CitrixBleed 2" flaws.
cybernewsweekly.substack.com
June 27, 2025 at 11:37 PM
Critical infrastructure faces mounting pressure this week with multiple 10/10 severity vulnerabilities in AMI firmware and Cisco systems being actively exploited alongside new "CitrixBleed 2" flaws
#cybersecurity #ransomware #vulnerabilities #cyberattacks
cybernewsweekly.subs...
#cybersecurity #ransomware #vulnerabilities #cyberattacks
cybernewsweekly.subs...
This week brought major security flaws in Sitecore, WordPress AI Engine, and Linux systems, while hackers increasingly used SVG attachments for phishing and started focusing on U.S. insurance companies.
#cybersecurity #infosec #vulnerabilities
cybernewsweekly.subs...
#cybersecurity #infosec #vulnerabilities
cybernewsweekly.subs...
Cybersecurity News Review - Week 25 (2025)
This week brought major security flaws in Sitecore (hardcoded password "b"), WordPress AI Engine, and Linux systems, while hackers increasingly used SVG attachments for phishing and started focusing on U.S.
cybernewsweekly.substack.com
June 21, 2025 at 9:52 AM
This week brought major security flaws in Sitecore, WordPress AI Engine, and Linux systems, while hackers increasingly used SVG attachments for phishing and started focusing on U.S. insurance companies.
#cybersecurity #infosec #vulnerabilities
cybernewsweekly.subs...
#cybersecurity #infosec #vulnerabilities
cybernewsweekly.subs...
AI-powered threats surge and critical vulnerabilities in Roundcube get exploited, law enforcement takes down major infostealer networks. From ultrasonic smartwatch attacks to policy reversals, cybersecurity evolves rapidly.
#CyberSecurity #InfoSec #AISecurity #DataBreach
#CyberSecurity #InfoSec #AISecurity #DataBreach
June 13, 2025 at 4:39 PM
AI-powered threats surge and critical vulnerabilities in Roundcube get exploited, law enforcement takes down major infostealer networks. From ultrasonic smartwatch attacks to policy reversals, cybersecurity evolves rapidly.
#CyberSecurity #InfoSec #AISecurity #DataBreach
#CyberSecurity #InfoSec #AISecurity #DataBreach