01 · The pattern
The breach starts with a person.
The person starts with data.
In each of these, the attacker went around the organization's defenses by way of someone inside them, and had to know things about that someone first.
MGM Resorts
2023Help desk impersonationBy the attackers' own account and press reports, they found an employee on LinkedIn, called the IT help desk as that person, and had the password and multi-factor authentication reset. Federal advisories on the group describe the same method. MGM's filings name no entry point.4
What they needed to knowA name, a role, and enough about the person to pass as them on the phone.
About ten days of manual operations. MGM reported a hit of about $100 million to quarterly earnings.
The 2023 breach record →Arup
2024Deepfake video callA finance employee in Hong Kong doubted an email asking for a confidential transfer, then joined a video call with what looked and sounded like the CFO and other colleagues. Every one of them was a deepfake.3
What they needed to knowFaces, voices, and who reports to whom.
15 transfers, HK$200 million (about US$25.6 million).
Retool
2023Cloned voice of IT staffEmployees received texts about a payroll problem. A follow-up call in the cloned voice of a real IT staff member talked one of them out of a one-time code.5
What they needed to knowWho works in IT, what they sound like, and a pretext about pay.
Accounts belonging to 27 cloud customers taken over.
LastPass
2022The engineer's home computerAttackers went after one of four DevOps engineers through an unpatched media server on his home computer, installed a keylogger, and used his credentials to reach the company's cloud storage.6
What they needed to knowWhich few people held the keys, and how to reach them at home.
Customer vault data and customer information stolen.
WPP
2024Cloned CEO on a Teams callScammers made a WhatsApp account with the CEO's public photo, set up a Teams meeting with a senior leader, and used a cloned voice and video of the CEO to ask for money and personal details.7
What they needed to knowA public photo, public audio, and the name of a leader to approach.
Stopped by the executive on the call. Most organizations will not be that lucky every time.
Coinbase
2025Insiders recruitedCriminals bribed offshore customer support staff for customer data, then demanded a $20 million ransom. Coinbase refused.8
What they needed to knowWho works where, with what access, and who might say yes.
Estimated costs of $180 million to $400 million.
One Treasure Island
NonprofitExecutive director impersonatedAttackers got into email through the organization's outside bookkeeper, slipped into real threads from look-alike addresses, wrote as the executive director, and changed the wire details on a real invoice.9
What they needed to knowWho approves payments, who the vendors are, and how the director writes.
$650,000 meant for an affordable housing project, gone.
The technology differs from case to case. The first step does not: learn enough about a person to be believed by them, or to be mistaken for them.