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What is Initial Access Broker?
Initial access brokers are criminals who specialize in getting a foothold — VPN, RDP, Citrix, or cloud admin — then selling that access to ransomware crews and other buyers. They industrialize the first step of an intrusion.
How a Initial Access Broker Attack Works
Find exposed entry points
Scan data and OSINT identify VPN portals, stale remote access, and leaked credentials.
Validate access
Brokers confirm the foothold works and estimate the victim's size and industry for pricing.
List the access for sale
Access is sold on criminal markets with screenshots and privilege notes.
Buyer expands the attack
Ransomware or fraud operators purchase and continue the intrusion.
Real-World Example
A broker advertised "access to a US manufacturer, ~800 employees" after validating a contractor VPN account found in a credential dump. The listing mentioned the ERP brand scraped from job posts to raise the price.
How AiVERSARY Detects Initial Access Broker Risk
AiVersary shows the public side of what makes an organization an attractive listing — exposed edge services, people, and vendor context — so you can reduce the signals brokers use to qualify targets.
Is your organization exposed to initial access broker?
AiVERSARY scans your public footprint and identifies the exact data attackers would use against you. $499 per report.
Get Your Threat ReportRelated Terms
Credential Stuffing
Credential stuffing is when attackers take usernames and passwords leaked from one breach and automatically try them on other services. Because most people reuse passwords, a breach at a shopping site or social network can give attackers working credentials for your corporate email, VPN, or cloud platforms. It is automated, fast, and alarmingly effective.
Ransomware
Ransomware is malware that locks your files or systems and demands payment for restoration. Modern campaigns often combine encryption with data theft and public shaming. Attackers rarely start with the ransomware itself — they start with reconnaissance to find who can authorize payment and which systems will hurt most if taken offline.
OSINT Reconnaissance
OSINT reconnaissance — Open Source Intelligence gathering — is the first phase of nearly every targeted cyberattack. It's the process of collecting publicly available information about an organization and its people to plan an attack. Everything from your company website and LinkedIn profiles to job postings, DNS records, and conference presentations becomes intelligence. This is exactly the same process AiVersary uses, but we do it first so you can fix what's exposed.
Password Spraying
Password spraying tests a small set of common passwords against many usernames — the opposite of hammering one account. It stays under lockout thresholds while exploiting predictable passwords and exposed username formats.