greynoise

3 min read

• Cisco
• Cybersecurity
• edge devices
• Exclusive
• F5
• firewall
• firewalls
• Fortinet
• greynoise
• HPE
• internet traffic
• Ivanti
• Juniper Networks
• MicroTik
• NetGear
• network edge devices
• Palo Alto Networks
• Research
• routers
• Technology
• Threats
• TP-Link
• traffic
• virtual private network (VPN)
• vmware
• vulnerabilities
• vulnerability disclosure

Network ‘background noise’ may predict the next big edge-device vulnerability

Cyber Scoop April 20, 2026

Network ‘background noise’ may predict the next big edge-device...

Read More

3 min read

• Cybersecurity
• greynoise
• HackerOne
• Meta
• Next.js
• open source software
• React2Shell
• Response
• Technology
• Threats
• Unit 42
• Vercel
• VulnCheck
• vulnerability
• vulnerability reporting

Inside Vercel’s sleep-deprived race to contain React2Shell

Cyber Scoop January 8, 2026

Inside Vercel’s sleep-deprived race to contain React2Shell | CyberScoop...

Read More

4 min read

• CISA
• Cloudflare
• cybercrime
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• Google Threat Intelligence Group
• greynoise
• Microsoft Threat Intelligence
• nation state threats
• Palo Alto Networks
• ransomware
• React2Shell
• Research
• Threats
• Unit 42
• VulnCheck

React2Shell fallout spreads to sensitive targets as public exploits hit all-time high

Cyber Scoop December 17, 2025

React2Shell fallout spreads to sensitive targets as public exploits...

Read More

4 min read

• Amazon Threat Intelligence
• CISA
• cybercrime
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• Fastly
• greynoise
• hacking
• known exploited vulnerabilities (KEV)
• Malware
• Palo Alto Networks
• ransomware
• Rapid7
• Research
• Shadowserver
• Threats
• Unit 42
• Wiz

Attacks pinned to critical React2Shell defect surge, surpass 50 confirmed victims

Cyber Scoop December 10, 2025

Attacks pinned to critical React2Shell defect surge, surpass 50...

Read More

5 min read

• Amazon Web Services (AWS)
• cybercrime
• Cybersecurity
• greynoise
• hacking
• Meta
• open source
• open source software
• Palo Alto Networks
• React
• Research
• Threats
• Trend Micro
• Unit 42
• VulnCheck
• vulnerabilities
• vulnerability disclosure
• vulnerability reporting
• watchTowr
• Wiz
• Zero Day Initiative

Attackers hit React defect as researchers quibble over proof

Cyber Scoop December 5, 2025

Attackers hit React defect as researchers quibble over proof...

Read More

4 min read

• CISA
• Citrix
• CitrixBleed
• CVE
• cybercrime
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• exploit
• greynoise
• Imperva
• NetScaler
• Research
• Threats
• Trend Micro
• vulnerabilities
• vulnerability

CitrixBleed 2 beckons sweeping alarm as exploits spread across the globe

Cyber Scoop July 14, 2025

CitrixBleed 2 beckons sweeping alarm as exploits spread across...

Read More

5 min read

• China
• CISA
• CVE
• cybercrime
• Cybersecurity
• Cybersecurity and Infrastructure Security Agency (CISA)
• edge devices
• espionage
• exploit
• firewall
• firewalls
• greynoise
• GreyNoise IO
• Ivanti
• known exploited vulnerabilities (KEV)
• Rapid7
• Research
• Technology
• Threats
• virtual private network (VPN)
• vulnerabilities
• watchTowr Labs
• zero-days

Questions mount as Ivanti tackles another round of zero-days

Cyber Scoop May 28, 2025

Questions mount as Ivanti tackles another round of zero-days...

Read More