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Exchange Server Attackers Launched Scans Within Five Minutes of Disclosure

Exchange Server Attackers Launched Scans Within Five Minutes of Disclosure
Phil Muncaster UK / EMEA News Reporter , Infosecurity Magazine
The
2021 Cortex Xpanse Attack Surface Threat Report from Palo Alto Networks was compiled from scans of 50 million IP addresses associated with 50 global enterprises, carried out January-March 2021.
The report revealed that as soon as new vulnerabilities are announced by vendors, attackers rush to take advantage, utilizing cheap cloud computing power to back their efforts.
“Scans began within 15 minutes after CVE announcements were released between January and March. Attackers worked faster for the Microsoft Exchange Server zero-days, launching scans within five minutes of Microsoft’s March 2 announcement,” the report noted. ....

Travis Biehn , Synopsys Software Integrity Group , Virtual Network Computing , Simple Network Management Protocol , Palo Alto Networks , Microsoft Exchange Server , Xpanse Attack Surface Threat Report , Desktop Protocol , டிராவிஸ் பிஎன் , சுருக்கம் மென்பொருள் நேர்மை குழு , மெய்நிகர் வலைப்பின்னல் கணினி , எளிய வலைப்பின்னல் மேலாண்மை ப்ரோடொகால் , பாலோ ஆல்டோ நெட்வொர்க்குகள் , மைக்ரோசாஃப்ட் பரிமாற்றம் சேவையகம் , டெஸ்க்டாப் ப்ரோடொகால் ,

Attackers Took 5 Minutes to Start Scanning for ...

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Criminals began to scan the Internet for vulnerable Microsoft Exchange Servers within five minutes of the disclosure of critical zero-day flaws patched in early March, researchers report.
In the 2021 Cortex Xpanse Attack Surface Threat Report, Palo Alto Networks researchers examine threat data from 50 organizations, and some 50 million IP addresses, collected in the first quarter. Their analysis reveals attackers scan to inventory vulnerable Internet assets once per hour and even more often within 15 minutes or less following the disclosure of CVEs.
When an exploit is published, the time from then until when we start to see follow-on scanning spike in volume is now just minutes, says Tim Junio, senior vice president of products for Cortex at Palo Alto Networks. That is a huge change from a few years ago. ....

Tim Junio , Kelly Sheridan , Insurance Technology , Palo Alto Networks , Exchange Server , Exchange Servers , Microsoft Exchange Servers , Palo Alto Network Unit , Cortex At Palo Alto Networks , Attackers Took , Start Scanning , Xpanse Attack Surface Threat Report , Alto Networks , Palo Alto , Desktop Protocol , Staff Editor , Dark Reading , View Full , நேரம் ஜூனியோ , கெல்லி ஷெரிடன் , காப்பீடு தொழில்நுட்பம் , பாலோ ஆல்டோ நெட்வொர்க்குகள் , பரிமாற்றம் சேவையகம் , பரிமாற்றம் சேவையகங்கள் , மைக்ரோசாஃப்ட் பரிமாற்றம் சேவையகங்கள் , பாலோ ஆல்டோ வலைப்பின்னல் அலகு ,