Recent Law Firm Cyber Attacks

A ransom-focused hacking group targeted major U.S. financial and other firms by calling employees on their personal phones while impersonating the company help desk. Victims were pushed to “update passkeys or multifactor authentication” and sent to look‑alike websites designed to steal passwords…

Google reports UNC6671 is still actively compromising organizations by calling employees and pretending to be IT helpdesk staff running an urgent security migration. Victims are pushed to visit lookalike login pages that steal passwords and MFA codes, which then enables data theft and extortion…

A foreign investor signed transaction documents for a €10M land purchase after being told one document would “protect the company.” The document instead granted broad power of attorney and sale-like authority, and the investor discovered the issue only 18 months later when the local lawyer stopped…

Microsoft reports a Russian state-backed operation that compromises hotel and conference Wi‑Fi “captive portals” to redirect travelers to fake Microsoft 365 sign-in pages or fake update prompts that install malware. One method abuses Microsoft’s device-code login flow so victims unknowingly approve…

Microsoft says a Russia-linked group compromised hotel and conference guest Wi‑Fi sign-in systems to redirect travelers to phishing pages and fake “update” prompts. The goal was to steal credentials (including Microsoft 365) and push malware when devices automatically check connectivity after…

Researchers say a law firm was targeted with a spear‑phishing email that led staff to download an encrypted archive containing a Windows shortcut labeled like legal case files. After the user ran it and approved admin rights, the malware told Microsoft Defender to ignore a folder and a fake…

Microsoft and ReliaQuest report a real campaign where attackers tampered with public Wi‑Fi captive portal networks (hotels/conference venues) to redirect users to attacker-controlled pages. The goal was to steal Microsoft 365 credentials (and sometimes deliver malware) by using…

Researchers reported a real spear‑phishing intrusion against a law firm where attackers sent a message with a link to an encrypted archive. The archive contained a Windows shortcut (LNK) disguised as “Case Documents,” and running it launched a multi‑stage loader (“HollowFrame”) that ultimately…

A legal-sector threat intel report says adversary-in-the-middle (AiTM) phishing is now the most common way attackers gain initial access to law firms, because it can bypass MFA by stealing valid session cookies. The report highlights deadline-driven lures (fake document/court portal errors) and…

A security researcher demonstrated that Microsoft Copilot for Word can be tricked by hidden text inside a Word document, causing Copilot to follow attacker instructions. The result is a self-propagating “AI worm” that silently modifies documents and embeds the same hidden prompt into new files,…

Attackers sent emails that looked like Microsoft Teams/HR notifications and pushed users through Microsoft’s real sign-in and OAuth consent screens. When victims approved the requested permissions, the attackers obtained an authorization token and could access Microsoft 365 data like Outlook,…

Sophos reports a real Microsoft Teams voice-phishing campaign where attackers pretended to be IT support to convince employees to start remote-access sessions. After gaining access, the attackers ran commands to download malware and in several cases deployed Chaos ransomware within hours. The…

Attackers are taking over hotel and conference Wi‑Fi gateways and changing DNS settings so travelers are silently redirected to fake Microsoft 365 sign-in pages. Victims are then tricked into completing a device-code login that grants attackers a legitimate session token, often bypassing MFA. This…

Researchers report attackers compromising hotel and venue Wi‑Fi “captive portal” gateways to redirect Microsoft 365 sign-ins to attacker-controlled lookalike domains. Victims can have their Microsoft 365 credentials stolen without clicking a phishing link or installing malware, because the…

Attackers are compromising hotel and conference center Wi‑Fi gateways and changing DNS settings so business travelers are silently redirected to fake Microsoft 365 login pages. When victims sign in, attackers steal passwords and potentially session tokens, allowing account takeover even when…

Researchers report attackers compromising hotel and conference Wi‑Fi gateway equipment to silently redirect travelers to fake Microsoft 365 sign-in pages, without sending phishing emails. In some cases, attackers also abuse Microsoft device-code login prompts so victims unintentionally approve…

ReliaQuest reports attackers are compromising public Wi‑Fi “captive portal” gateways (such as in hotels and conference centers) and changing their DNS settings to redirect users to attacker-controlled pages. The goal is to harvest traveling employees’ Microsoft 365 credentials using…

Researchers found attackers taking over hotel and conference-center Wi‑Fi gateways and silently redirecting guests to fake Microsoft 365 sign-in pages to steal credentials. In some cases, the attackers also tried to route broader device traffic through a malicious proxy (WPAD) or trick users into…

Attackers abused Microsoft’s OAuth “device code” sign-in so victims completed a real Microsoft login and MFA, but the resulting session tokens were issued to the attacker. In a documented Microsoft 365 takeover, the attacker used a believable partner-law-firm email thread and a Google Sites lure…

German and international law enforcement disrupted the infrastructure behind “Kratos,” a phishing-as-a-service kit used at scale to steal Microsoft account logins. The kit provided convincing Microsoft-themed fake login pages designed to steal passwords and session cookies, which could help…