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Cyber security news, as it breaks.
Updated 125 stories in 24 hours
Enterprise & Cloud Security
👉 Microsoft, Azure, AWS, Google, SOC
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Most fromBleepingComputer, Huntress, Help Net Security, Dark Reading
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MyCyberWay trainingMost attacks start with an identity. Learn to defend it.SC-300 course details
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Frontline workers in healthcare and manufacturing are getting around slow, unreliable logins by staying signed in, sharing credentials and trying to bypass multifactor authentication. Sapio Research surveyed 700 IT and security decision-makers in August, and 95% said they had seen frontline workers use workarounds like these in the past 12 months. Each of those habits…
Help Net Security
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A large-scale scam operation impersonating Microsoft uses a malicious traffic distribution system (TDS) run by a Russian organization and abuses thousands of Cloudflare links.
Dark Reading
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A perspective on AI-enabled attacker scale, defender capacity, and the growing need for experienced responders.
Sophos
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Microsoft has resolved a bug that caused games and apps using AC-3 (Dolby Digital) audio decoding to crash after installing the September 2026 Windows 11 preview update (KB5124010).
BleepingComputer
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American software company ConnectWise is contending with a security incident that has allowed unknown attackers to use its application identities to break into organizations’ Microsoft 365 accounts. The intruders used a compromised credential belonging to the ConnectWise Cloud Backup application, formerly known as SkyKick. This spurred the company to temporarily suspend the backup service, as…
Help Net Security+2 sources
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New capabilities in Microsoft 365 E7 and Project Perception help organizations contain agent risk and adapt protection continuously.
Microsoft Security Blog
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Microsoft has fixed a known issue that removed the Copilot Chat and Copilot buttons in the classic Outlook desktop mail client for some Windows users.
BleepingComputer
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Microsoft and Nvidia are urging enterprises to assess the security of open-weight AI models throughout deployment, warning that changes to model weights and configurations can weaken safeguards even when a model retains its ability to perform assigned tasks. In a joint paper published last week, the companies identified 30 risk types across five categories and…
CSO Online UK
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ConnectWise has disabled key cloud services and is investigating unauthorized access to customers’ Microsoft 365 environments after a credential tied to its Cloud Backup platform was compromised and used to authenticate into customer tenants, prompting Huntress to identify suspicious sign-ins across 162 organizations. The activity involved the Cloud Backup application obtaining Microsoft Graph access tokens…
CSO Online UK
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Microsoft accounted for 33% of brand impersonation attempts tracked by Check Point Research in the third quarter of 2026, up from 23% in the previous quarter and roughly four times the share of any other brand. Top 10 most impersonated brands in phishing attacks (Source: Check Point) Apple and Google followed with 8% each. Dropbox…
Help Net Security
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Defenders get 15 new detection strategies, six for Enterprise and nine for ICS, backed by 38 analytics.
SecurityWeek
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Attackers stole ConnectWise application credentials to access Microsoft 365 tenants, prompting the company to suspend cloud services. ConnectWise suspended its Cloud Backup service and took both SaaS Security and Cloud Management offline over the weekend after discovering that unknown attackers had obtained unauthorized access to seven of its application identities. The company discovered the incident…
Security Affairs
