FBI Warns of New Phishing Tool Targeting Microsoft 365 Accounts
The FBI says Kali365 uses device-code phishing and OAuth token theft to let attackers access Outlook, OneDrive and Teams without extra MFA prompts.
- The FBI released a Thursday advisory warning about Kali365, a phishing-as-a-service platform allowing hackers to bypass multifactor authentication and gain persistent access to Microsoft 365 environments without user credentials.
- Artificial intelligence has transformed phishing attacks, enabling cybercriminals to generate polished emails in multiple languages within seconds that mimic legitimate workplace notifications, lowering users' defenses against increasingly convincing scams.
- Starting in February, campaigns using Kali365 targeted more than 340 organizations across the U.S., Canada, Australia, New Zealand and Germany, providing less-technical attackers access to automated phishing templates, victim tracking dashboards and OAuth token capture capabilities.
- To mitigate Kali365 threats, the FBI recommends organizations restrict device code flow and exclude emergency access accounts, while successful compromise grants attackers persistent access to Teams, Outlook and OneDrive without repeated password verification.
- As AI enables more convincing phishing campaigns, security experts warn that multifactor authentication alone cannot prevent account compromise if users accidentally authorize malicious access, particularly concerning given Microsoft 365 accounts contain years of sensitive data.
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FBI Warned Hackers Can Bypass Microsoft Outlook, Teams and 365 Without Your Password—Here's What You Should Do
The FBI has warned that hackers can now break into Microsoft Outlook, Teams, and 365 accounts without a password, after identifying a phishing tool known as Kali365 that has been circulating since April and is already being used to hijack user access. The reports came after the FBI issued a public alert outlining how the tool works and why it poses a different kind of risk. Unlike conventional phishing attempts that rely on stolen passwords, Kal…
Cyber attackers hijacking Microsoft Outlook, Teams and 365 log-ins, FBI says
A new phishing tool is allowing cyber attackers to get access to Microsoft 365 users' accounts without even needing to know your password, the FBI said in a warning issued to the public on Thursday.
Cyber attackers are hijacking Microsoft Outlook, Teams and 365 log-ins, FBI says
A new phishing tool is allowing cyber attackers to get access to Microsoft 365 users' accounts without even needing to know your password, the FBI said in a warning issued to the public on Thursday.
FBI warns of new phishing tool targeting Microsoft 365 accounts
The FBI warned that a phishing tool can bypass Microsoft 365 passwords, giving attackers access to Teams, Outlook and more. Here's how to protect your account. (AP)
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