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Microsoft just upgraded Sentinel with an AI-powered data lake - here's how it works

NurPhoto/Contributor/Getty Microsoft is launching a new agentic AI system to help cybersecurity professionals manage and protect their organizations' data, the company said Tuesday. Microsoft Sentinel, a proprietary Security Incidents and Event Management (SEIM) platform, which debuted in 2019, now comes with a data lake -- that is, a centralized repository that can store structured and unstructured data without any kind of reformatting. Also: Microsoft fixes two SharePoint zero-days under at

Microsoft: Windows Server KB5062557 causes cluster, VM issues

Microsoft is asking businesses to reach out for support to mitigate a known issue causing Cluster service and VM restart issues after installing this month's Windows Server 2019 security updates. As the company explains in a private advisory seen by BleepingComputer, the Cluster service (a system component essential to cluster operation) might fail to function correctly after installing the KB5062557 update released on July 8th. The same bug is also causing some nodes to fail when attempting t

Microsoft Sharepoint ToolShell attacks linked to Chinese hackers

Hackers with ties to the Chinese government have been linked to a recent wave of widespread attacks targeting a Microsoft SharePoint zero-day vulnerability chain. They used this exploit chain (dubbed "ToolShell") to breach dozens of organizations worldwide after hacking into their on-premise SharePoint servers. "We assess that at least one of the actors responsible for this early exploitation is a China-nexus threat actor. It's critical to understand that multiple actors are now actively explo

He Rewrote Everything in Rust – Then We Got Fired

He Rewrote Everything in Rust — Then We Got Fired The day his code hit production, the graphs went flat. A month later, HR called us in. ThreadSafe Diaries 4 min read · Jun 12, 2025 -- 65 Share Before the Rewrite, We Were Drowning We were a team of six. Backend engineers juggling microservices, pipelines, devops patches, and postmortems that read like therapy notes. Our stack was typical for a fast-moving startup: Node.js microservices Redis queues AWS Lambdas MongoDB for almost everythi

1990 Networking: LAN Manager 2.0

In 1990, Microsoft released LAN Manager (LM) 2.0, a member of a long line of Microsoft’s networking products that started with MS-NET circa 1984 and eventually morphed into Windows NT file sharing. Microsoft LAN Manager 2.0 admin interface LAN Manager 1.0 was released in 1988 as an OEM-only product, with the largest OEM being 3Com and their 3+Open. Microsoft collaborated with 3Com and the two companies jointly published the NDIS specification for network drivers. However, the relationship sour

Global hack on Microsoft Sharepoint hits U.S., state agencies, researchers say

Hackers exploited a major security flaw in widely used Microsoft server software to launch a global attack on government agencies and businesses in the past few days, breaching U.S. federal and state agencies, universities, energy companies and an Asian telecommunications company, according to state officials and private researchers. The U.S. government and partners in Canada and Australia are investigating the compromise of SharePoint servers, which provide a platform for sharing and managing d

SharePoint vulnerability with 9.8 severity rating under exploit across globe

Authorities and researchers are sounding the alarm over the active mass exploitation of a high-severity vulnerability in Microsoft SharePoint Server that’s allowing attackers to make off with sensitive company data, including authentication tokens used to access systems inside networks. Researchers said anyone running an on-premises instance of SharePoint should assume their networks are breached. The vulnerability, tracked as CVE-2025-53770, carries a severity rating of 9.8 out of a possible 1

Microsoft hit with SharePoint attack affecting global businesses and governments

A Microsoft store in New York, US, on Friday, Oct. 25, 2024. Microsoft has warned of "active attacks" targeting its SharePoint collaboration software, with security researchers noting that organizations worldwide stand to be affected by the breach. The Cybersecurity and Infrastructure Security Agency said Sunday in a release that the vulnerability provides unauthenticated access to systems and full access to SharePoint content, enabling bad actors to execute code over the network. CISA said t

Xbox cloud games will soon follow you across Xbox, PC, and Windows handhelds

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft is starting to test updates to the Xbox PC app and Xbox consoles that will allow cloud games to follow you across devices. A new play history section of the Xbox PC app and Xbox console home UI will display cloud games as part of the recently played titles list and this will roam across Xbox consoles, PCs, and handhelds. Cloud-playable games are now starting to show

Microsoft hit with SharePoint attack — one version still vulnerable

A Microsoft store in New York, US, on Friday, Oct. 25, 2024. Microsoft has warned of "active attacks" targeting its SharePoint collaboration software, with security researchers noting that organizations worldwide stand to be affected by the breach. The Cybersecurity and Infrastructure Security Agency said Sunday in a release that the vulnerability provides unauthenticated access to systems and full access to SharePoint content, enabling bad actors to execute code over the network. CISA said t

Microsoft Fix Targets Attacks on SharePoint Zero-Day

On Sunday, July 20, Microsoft Corp. issued an emergency security update for a vulnerability in SharePoint Server that is actively being exploited to compromise vulnerable organizations. The patch comes amid reports that malicious hackers have used the Sharepoint flaw to breach U.S. federal and state agencies, universities, and energy companies. In an advisory about the SharePoint security hole, a.k.a. CVE-2025-53770, Microsoft said it is aware of active attacks targeting on-premises SharePoint

Microsoft fixes two SharePoint zero-days under attack, but it's not over - how to patch

sankai/Getty Microsoft has patched two critical zero-day SharePoint security flaws that have already been exploited by hackers to attack vulnerable organizations. Responding to the exploits, the software giant has issued fixes for SharePoint Server Subscription Edition and SharePoint Server 2019 but is still working on a patch for SharePoint Server 2016. Designated as CVE-2025-53771 and CVE-2025-53770, the two vulnerabilities apply only to on-premises versions of SharePoint, so organizations t

Microsoft Sharepoint server vulnerability puts an estimated 10,000 organizations at risk

A major zero-day security vulnerability in Microsoft's widely used SharePoint server software has been exploited by hackers, causing chaos within businesses and government agencies, multiple outlets have reported. Microsoft announced that it had released a new security patch "to mitigate active attacks targeting on-premises [and not online] servers," but the breach has already effected universities, energy companies, federal and state agencies and telecommunications firms. The SharePoint flaw i

Want to Avoid Microplastics? Start by Skipping These 8 Foods

Microplastics used to sound like a distant environmental issue, but they're showing up in more places than you'd expect, including the food we eat every day. According to new research, even something as simple as chewing gum could be exposing you to tiny plastic particles. With something as common as chewing gum becoming a delivery system for microplastics, many people are concerned about how often they're consuming the potential hidden hazard. The average person takes in between 39,000 and 52,

New zero-day bug in Microsoft SharePoint under widespread attack

The U.S. federal government and cybersecurity researchers say a newly discovered security bug found in Microsoft’s SharePoint is under attack. U.S. cybersecurity agency CISA sounded the alarm this weekend that hackers were actively exploiting the bug. Microsoft has not yet provided patches for all affected SharePoint versions, leaving customers across the world largely unable to defend against the ongoing intrusions. Microsoft said the bug, known officially as CVE-2025-53771, affects versions

Microsoft SharePoint servers are under attack because of a major security flaw

Hackers have exploited vulnerabilities in Microsoft’s SharePoint software, placing tens of thousands of on-premises servers used by global businesses and agencies at risk. Microsoft issued an alert on Saturday disclosing that it was aware of “active attacks,” and that it was working to patch the zero-day exploit. Researchers at Eye Security first identified the vulnerability on July 18th, which allows hackers to access certain on-premises versions of SharePoint and steal keys that can let them

Microsoft wants to fix ‘slow or sluggish’ performance in Windows 11

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Ever since Windows 11 first debuted in October 2021, there have been complaints about its performance on certain types of hardware. Whether it was gaming on new hybrid performance CPUs showing no improvement on Windows 11, or claims that Windows 11 simply feels lethargic compared to Windows 10, Microsoft has tried to fix the problems with updates to the OS. Now, it wants direct

Microsoft releases emergency patches for SharePoint RCE flaws exploited in attacks

Microsoft has released emergency SharePoint security updates for two zero-day vulnerabilities tracked as CVE-2025-53770 and CVE-2025-53771 that have compromised services worldwide in "ToolShell" attacks. In May, during the Berlin Pwn2Own hacking contest, researchers exploited a zero-day vulnerability chain called "ToolShell," which enabled them to achieve remote code execution in Microsoft SharePoint. These flaws were fixed as part of the July Patch Tuesday updates; However, threat actors were

Microsoft SharePoint zero-day exploited in RCE attacks, no patch available

A critical zero-day vulnerability in Microsoft SharePoint, tracked as CVE-2025-53770, has been actively exploited since at least July 18th, with no patch available and at least 85 servers already compromised worldwide. In May, Viettel Cyber Security researchers chained two Microsoft SharePoint flaws, CVE-2025-49706 and CVE-2025-49704, in a "ToolShell" attack demonstrated at Pwn2Own Berlin to achieve remote code execution. While Microsoft patched both ToolShell flaws as part of the July Patch T

Microsoft says it will no longer use engineers in China for Department of Defense work

In Brief Following a Pro Publica report that Microsoft was using engineers in China to help maintain cloud computing systems for the U.S. Department of Defense, the company said it’s made changes to ensure this will no longer happen. The existing system reportedly relied on “digital escorts” to supervise the China-based engineers. But according to Pro Publica, those escorts — U.S. citizens with security clearances — sometimes lacked the technical expertise to properly monitor the engineers. I

Microsoft Will Erase Your Passwords in 2 Weeks: What to Do Now

Microsoft is axing passwords starting in August -- and if you use its Authenticator app, you'll want to be prepared. For years, Microsoft Authenticator has been a go-to for managing multifactor authentication and saved passwords. However, starting next month, it will no longer support passwords and will move to passkeys instead. That means your logins will soon rely more on things like PINs, fingerprint scans or facial recognition. Using a passkey can make your account safer, and it's a move I

Microsoft stops relying on Chinese engineers for Pentagon cloud support

Microsoft Chairman and Chief Executive Officer Satya Nadella (L) returns to the stage after a pre-recorded interview during the Microsoft Build conference opening keynote in Seattle, Washington on May 19, 2025. Microsoft on Friday revised its practices to ensure that engineers in China no longer provide technical support to U.S. defense clients using the company's cloud services. The company implemented the changes in an effort to reduce national security and cybersecurity risks stemming from

Microsoft Quietly Pulls the Plug on Its Movies and TV Store

Microsoft abruptly shut down its online movie and TV store. On Friday, the tech giant quietly updated both its general and Xbox support pages to reflect the changes. Users will no longer be able to buy new content from Microsoft.com and the Microsoft Store on Windows and Xbox. Thankfully, Microsoft says if you already own movies or shows through the store you can still watch them via the Movies & TV app on Xbox and Windows devices. Microsoft says technical support will also continue for issues

Microsoft mistakenly tags Windows Firewall error log bug as fixed

Microsoft has mistakenly tagged an ongoing Windows Firewall error message bug as fixed in recent updates, stating that they are still working on a resolution. Earlier this month, Microsoft warned that, starting with the June 2025 Windows 11 preview update, users would see Windows Firewall errors in the Event Viewer. These events would be labeled as event ID 2042 for the Windows Firewall With Advanced Security, and would be generated every time you restart Windows. "The error is found in Event

It's the End of the Road for Microsoft Store Movies and TV Shows. What It Means for You

Microsoft is exiting the market for selling and renting TV and movies across its platforms. There was no reason given for the abrupt change, with Microsoft simply posting the news on a support page on its Xbox website. "Microsoft has stopped selling new movie and TV content. Existing customers can continue to access their previously purchased content on Windows and Xbox devices," Microsoft said in the post. The company said playback and download options will continue to be available for shows

Microsoft unceremoniously kills off the Xbox Movies & TV store

You can longer rent or buy TV shows or movies, but you won’t lose any of your purchases. Microsoft has rather abruptly closed down its Movies & TV app, which is accessible on Xbox and Windows PCs via the Microsoft Store. This allowed people to rent or buy movies or TV shows natively through their console or computer’s storefront, but in a newly updated support page Microsoft said the service has ended. "Microsoft no longer offers new entertainment content for purchase, including movies and TV

LibreOffice slams Microsoft for locking in Office users w/ complex file formats

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works LibreOffice has been on the offensive lately, taking the time to call out Microsoft and its practices whenever it can. Now, it is at it again, accusing Microsoft of "intentionally" using "unnecessarily complex" file formats to achieve user lock-in with its Microsoft 365 (Office) documents. For those who don't know, XML is a markup language that programs like Microsoft 365 and LibreOffice use t

Microsoft’s constant layoffs risk creating a culture of fear

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. I can’t open LinkedIn without seeing a new post from a Microsoft employee who lost their job in the company’s latest round of layoffs. Around 15,000 jobs have been eliminated at Microsoft over the past couple months — the biggest cuts at the company in more than a decade. I’ve spoken to more than a dozen Microsoft employees in recent weeks, and everyone is concerned about the

Microsoft suddenly kills its movies and TV store on Xbox and Windows

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft has suddenly shut its movies and TV store on Xbox consoles and Windows PCs. As of today you can no longer purchase new movies or TV shows from the Microsoft Store on Xbox or Windows, but you will still be able to access previously purchased content on devices. “Downloads will continue to be available on Windows and in HD max resolution,” says Microsoft, but you’ll ha

Microsoft Offers Free Windows 10 Security Updates for Those Who Don't Want to Upgrade to Windows 11

The Windows 10 era is almost at an end. Microsoft is ending support for Windows 10 and stopping security support in October. Initially, Microsoft was offering a one-year extended security update for $30, but we've got some good news: Microsoft has added a free option, allowing you to stick with Windows 10 for another year. However, in order to access it, you'll need to use cloud backup and connect it with your OneDrive account. The ability to get free updates on Windows 10 is a pretty big deal