Cybersecurity Alert: Microsoft fixes Exchange sign-ins broken by Windows Server updates
Microsoft has fixed Outlook sign-in and mail delivery issues on Exchange Server systems after installing the October 2026 Windows Server security updates. [.
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Microsoft has fixed Outlook sign-in and mail delivery issues on Exchange Server systems after installing the October 2026 Windows Server security updates. [.
Turla hackers have deployed a new Cereal malware toolset to intercept emails on government Microsoft Exchange servers, according to cybersecurity researchers at ESET.
The US Treasury Department has officially placed cryptocurrency exchange MEXC on its sanctions blacklist due to alleged involvement in state-sponsored cybercrime operations.
Microsoft provides guidance on re-enabling Exchange Online EWS apps and fixing those that have stopped working, including steps for tenant administrators and app developers.
Microsoft has issued updates for Windows Server that have caused issues with Exchange sign-in and mail flow. Here's how to troubleshoot and resolve these problems.
A Maryland man was found guilty of stealing more than $53 million after hacking the decentralized crypto exchange Uranium Finance twice in April 2021.
Hackers stole $387.5 million from Bitget, raising questions about cybersecurity and the involvement of North Korean groups in crypto theft.
Microsoft is addressing an ongoing Exchange Online outage causing email delays and 'Server busy' errors, impacting users worldwide.
Nearly 22,000 Microsoft Exchange servers exposed online remain unpatched against a high-severity authentication bypass vulnerability that allows attackers to hijack all user mailboxes.
Microsoft Exchange Online outage causes severe email and authentication issues, impacting multiple services. Detailed analysis and mitigation strategies.
The Russian state-sponsored hacking group Laundry Bear, also known as Void Blizzard, is exploiting an Exchange Outlook Web Access vulnerability in email campaigns to deliver a sophisticated backdoor called OWAReaper.
Microsoft is working to resolve an ongoing Exchange Online issue that has been mistakenly quarantining customers' mailboxes since July 19.
Microsoft has reminded customers that it will stop shipping security updates for Exchange 2016 and 2019 through the Extended Security Update (ESU) program in October.
Microsoft has announced plans to disable Outlook Web Access (OWA) Light, the lightweight version of the Outlook Web App email client, in a future Exchange Server update.
Microsoft has patched an actively exploited Exchange Server vulnerability that allows threat actors to execute arbitrary JavaScript code in cross-site scripting (XSS) attacks targeting Outlook Web Access users.
The U.S. Treasury's Office of Foreign Assets Control (OFAC) has announced sanctions against Nobitex, Iran's largest cryptocurrency exchange, for facilitating payments related to terrorist activities.
Microsoft is addressing a widespread service issue affecting email flow for Exchange Online users across North America, Asia-Pacific, and Europe, causing delays and failures.
Michigan residents approved a ballot measure limiting utility and contractor political donations. Now, utilities are suing over First and 14th Amendment rights.
Binance, the world's largest crypto exchange, has denied claims of a new security breach made by a threat actor using the 'ShinyHunters' handle on a newly emerged underground cybercrime forum. [.
A former FBI agent was found guilty of stealing $2.5 million in cryptocurrency, highlighting the vulnerabilities in cybersecurity systems.
Ukrainian authorities dismantle a crypto investment scam ring, arresting four suspects and seizing €90,000 in assets.
Crédit Mutuel Arkéa bank in France was targeted in a cyberattack, resulting in $133 million in fraudulent transactions, affecting their systems temporarily.
Two Canadians face up to 10 years in prison for hacking US universities and mining cryptocurrency, with multiple universities affected.
Cryptocurrency exchange Binance says North Korean hackers used a fake job interview to trick an employee into installing malware that ultimately let them compromise the company's wallet infrastructure and steal about $6.34 billion in digital assets. [.
Binance reveals how hackers exploited a trusted engineer to steal billions, highlighting the sophistication of cybercrime in the cryptocurrency sector.
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FBI confirms North Korean hackers as responsible for the largest cryptocurrency theft, affecting Binance.
Blockchain intelligence firm Chainalysis reveals a security incident where attackers used advanced techniques to access internal systems and tools, including sensitive customer data.
Hardware wallet maker Trezor has issued a warning after receiving credible reports of a suspected crypto-theft implant in a Trezor Safe 5 device sold by reseller CryptoBilis in Southeast Asia.
Hackers quickly siphoned $6.3 billion from Binance in just 20 minutes, raising questions about the sophistication of the attack and the effectiveness of current security measures.