Microsoft 365 - Security Ticks

How Chinese hackers got their hands on Microsoft’s token signing key

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How Chinese hackers got their hands on Microsoft’s token signing key 07/09/2023 at 17:00 By Zeljka Zorz The mystery of how Chinese hackers managed to steal a crucial signing key that allowed them to breach Microsoft 365’s email service and access accounts of employees of 25 government agencies has been explained: they found it somewhere […]

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Microsoft 365 accounts of execs, managers hijacked through EvilProxy

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Microsoft 365 accounts of execs, managers hijacked through EvilProxy 10/08/2023 at 14:48 By Helga Labus A phishing campaign leveraging the EvilProxy phishing-as-a-service (PhaaS) tool has been spotted targeting Microsoft 365 user accounts of C-level executives and managers at over 100 organizations around the world. The rise of phishing-as-a-service As organizations increasingly employ multi-factor authentication (MFA),

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Product showcase: Stellar Toolkit for Exchange – Restore Exchange Database

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Product showcase: Stellar Toolkit for Exchange – Restore Exchange Database 26/07/2023 at 07:02 By Help Net Security Time is of the essence when it comes to recovery after Exchange Server failure or database corruption, as organizations depend on emails for their day-to-day business communication. The more the delay in restoring services and recovering data, the

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Thanks Storm-0558! Microsoft to expand default access to cloud logs

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Thanks Storm-0558! Microsoft to expand default access to cloud logs 20/07/2023 at 13:31 By Zeljka Zorz Starting in September 2023, more federal government and commercial Microsoft customers will have access to expanded cloud logging capabilities at no additional charge, Microsoft and the Cybersecurity and Infrastructure Security Agency (CISA) have announced on Wednesday. The announcements come

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Malware delivery to Microsoft Teams users made easy

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Malware delivery to Microsoft Teams users made easy 10/07/2023 at 14:33 By Zeljka Zorz A tool that automates the delivery of malware from external attackers to target employees’ Microsoft Teams inbox has been released. TeamsPhisher (Source: Alex Reid) About the exploited vulnerability As noted by Jumpsec researchers Max Corbridge and Tom Ellson, Microsoft Teams’ default

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How hardening Microsoft 365 tenants mitigates potential cloud attacks

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How hardening Microsoft 365 tenants mitigates potential cloud attacks 26/06/2023 at 07:01 By Help Net Security Moving critical data and workloads to the cloud has significantly changed information security teams. But most don’t have the resources to be successful in their cloud attack modeling—not to mention the deployment of measurable controls to defend against these

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Microsoft Teams vulnerability allows attackers to deliver malware to employees

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Microsoft Teams vulnerability allows attackers to deliver malware to employees 23/06/2023 at 15:24 By Zeljka Zorz Security researchers have uncovered a bug that could allow attackers to deliver malware directly into employees’ Microsoft Teams inbox. “Organisations that use Microsoft Teams inherit Microsoft’s default configuration which allows users from outside of their organisation to reach out

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Microsoft confirms DDoS attacks against M365, Azure Portal

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Microsoft confirms DDoS attacks against M365, Azure Portal 19/06/2023 at 14:02 By Helga Labus The Microsoft 365 and Azure Portal outages users expirienced this month were caused by Layer 7 DDoS attacks, Microsoft has confirmed on Friday. The DDoS attacks against Microsoft 365 and Azure Portal Throughout the first half June 2023 Microsoft confirmed, at

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Phishers use encrypted file attachments steal Microsoft 365 account credentials

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Phishers use encrypted file attachments steal Microsoft 365 account credentials 26/05/2023 at 08:09 By Helga Labus Phishers are using encrypted restricted-permission messages (.rpmsg) attached in phishing emails to steal Microsoft 365 account credentials. “[The campaigns] are low volume, targeted, and use trusted cloud services to send emails and host content (Microsoft and Adobe),” say Trustwave

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Greatness phishing-as-a-service threatens Microsoft 365 users

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Greatness phishing-as-a-service threatens Microsoft 365 users 12/05/2023 at 13:20 By Helga Labus Manufacturing businesses, healthcare organizations, and tech companies in English-speaking countries are the most targeted by phishers leveraging a relatively new phishing-as-a-service (PaaS) tool called Greatness, created to phish Microsoft 365 users. According to Cisco researcher, this tool has been utilized in numerous phishing

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