↓ Pull down to refresh stories
Write Login VI Store
News Security May 6, 2026, 8:00 PM
Emerging

MuddyWater Uses Microsoft Teams to Steal Credentials in False Flag Ransomware Attack

The Iranian state-sponsored hacking group known as MuddyWater (aka Mango Sandstorm, Seedworm, and Static Kitten) has been attributed to a ransomware attack in what has been described as a "false flag" operation. The attack, observed by Rapid7 in early 2026, has been found to leverage social engineering techniques via Microsoft Teams to initiate the infection sequence. This piece sits on 1 source layers, but the real value is showing why the story should not be skimmed past too quickly.

The Iranian state-sponsored hacking group known as MuddyWater (aka Mango Sandstorm, Seedworm, and Static Kitten) has been attributed to a ransomware attack in what has been described as a "false flag" operation. The attack, observed by Rapid7 in early 2026, has been found to leverage social engineering techniques via Microsoft Teams to initiate the infection sequence. The signal is strong enough to deserve attention, but it still needs to be read as something developing rather than fully settled.

Thảo Nguyên Security and Editorial Policy Editor
Emerging The topic has initial corroboration, but the newsroom is still waiting on stronger confirmation.
Reference image for: MuddyWater Uses Microsoft Teams to Steal Credentials in False Flag Ransomware Attack
Reference image from The Hacker News. The Hacker News

The Iranian state-sponsored hacking group known as MuddyWater (aka Mango Sandstorm, Seedworm, and Static Kitten) has been attributed to a ransomware attack in what has been described as a "false flag" operation. The attack, observed by Rapid7 in early 2026, has been found to leverage social engineering techniques via Microsoft Teams to initiate the infection sequence. Although the incident initially appeared to be consistent with a ransomware-as-a-service (RaaS) group operating under the Chaos brand, evidence points to it being a targeted state-backed attack that masquerades as opportunistic extortion. The Hacker News is the main source layer for now, and the rest should be read as a signal that is still widening. In security, the real value is not just the warning itself but the way it changes operational risk, account safety, and the cost of responding later.

Featured offer

Patrick Tech Store Open the AI plans, tools, and software currently getting the push Jump straight into the store to see what Patrick Tech is pushing right now.

What is happening now

The Iranian state-sponsored hacking group known as MuddyWater (aka Mango Sandstorm, Seedworm, and Static Kitten) has been attributed to a ransomware attack in what has been described as a "false flag" operation. The Hacker News form the main source layer behind the core facts in this piece.

Where the sources line up

The Hacker News is the main source layer for now, and the rest should be read as a signal that is still widening. The attack, observed by Rapid7 in early 2026, has been found to leverage social engineering techniques via Microsoft Teams to initiate the infection sequence. The Hacker News form the main source layer behind the core facts in this piece.

Featured offer

Patrick Tech Store Open the AI plans, tools, and software currently getting the push Jump straight into the store to see what Patrick Tech is pushing right now.

The details worth keeping

Although the incident initially appeared to be consistent with a ransomware-as-a-service (RaaS) group operating under the Chaos brand, evidence points to it being a targeted state-backed attack that masquerades as opportunistic extortion. In security, the real value is not just the warning itself but the way it changes operational risk, account safety, and the cost of responding later.

Why this matters most

The signal is strong enough to deserve attention, but it still needs to be read as something developing rather than fully settled. With 1 source layers on the table, the part worth reading most closely is where firm facts meet the market's early reaction. "The campaign was characterized by a high-touch social engineering phase conducted via Microsoft Teams , where the attackers utilized interactive screen-sharing to harvest credentials and manipulate multi-factor authentication (MFA)," Rapid7 said in a report shared with The Hacker News.

What to watch next

The next layer to watch is scope, patch speed, and the operating cost if teams are forced to change process because of this story. Patrick Tech Media will keep checking rollout speed, user reaction, and how The Hacker News update the next pieces. From 1 early signals, the piece keeps 1 references that are useful for locking the main details in place.

Context Worth Keeping

The Iranian state-sponsored hacking group known as MuddyWater (aka Mango Sandstorm, Seedworm, and Static Kitten) has been attributed to a ransomware attack in what has been described as a "false flag" operation. The attack, observed by Rapid7 in early 2026, has been found to leverage social engineering techniques via Microsoft Teams to initiate the infection sequence. Although the incident initially appeared to be consistent with a ransomware-as-a-service (RaaS) group operating under the Chaos brand, evidence points to it being a targeted state-backed attack that masquerades as opportunistic extortion. The Hacker News is the main source layer for now, and the rest should be read as a signal that is still widening. In security, the real value is not just the warning itself but the way it changes operational risk, account safety, and the cost of responding later. In security coverage, the meaningful part is not just the flaw or the patch itself, but the operational risk and protection it changes. This is still a developing thread, so the useful part is knowing which source signals are hardening and which ones still need caution.

Source notes

From Patrick Tech

Contextual tools

Related stories