Tag: email
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Microsoft Sender Requirements Enforced , How to Avoid 550 5.7.15 Rejections
Starting May 5, 2025, Microsoft enforces strict sender requirements. Emails from domains sending over 5,000 messages per day must pass SPF, DKIM, and DMARC checks.”, or face the 550 5.7.15 Access Denied error. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/04/microsoft-sender-requirements-enforced-how-to-avoid-550-5-7-15-rejections/
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Indian Court Orders Action to Block Proton Mail Over AI Deepfake Abuse Allegations
A high court in the Indian state of Karnataka has ordered the blocking of end-to-end encrypted email provider Proton Mail across the country.The High Court of Karnataka, on April 29, said the ruling was in response to a legal complaint filed by M Moser Design Associated India Pvt Ltd in January 2025.The complaint alleged its…
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Cybercriminals Use GetShared to Sneak Malware Through Enterprise Shields
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in SecurityNewsCybercriminals are increasingly leveraging legitimate file-sharing platforms like GetShared to bypass enterprise email security systems. A recent case involving a former colleague, previously employed at Kaspersky, highlights this emerging threat. The individual received an authentic-looking email notification from GetShared, a genuine service for transferring large files, claiming that a file named >>DESIGN LOGO.rar
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Microsoft fixes Outlook paste, blank calendar rendering issues
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in SecurityNewsMicrosoft has confirmed several issues affecting Microsoft 365 customers using the “paste special’ option and the calendar feature in the classic Outlook email client. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-fixes-outlook-paste-blank-calendar-rendering-issues/
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Fraudulent email domain tracker: April 2025
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in SecurityNewsThis is the first release in a new Castle series highlighting email domains associated with fraudulent activity. Our goal is to provide visibility into email infrastructure commonly abused by bots and fraudsters, so that security teams can improve their detection systems. Each month, we’ll publish a ranked list First seen on securityboulevard.com Jump to article:…
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19 APT Hackers Target Asia-based Company Servers Using Exploited Vulnerabilities and Spear Phishing Email
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in SecurityNews
Tags: apt, attack, cyber, email, espionage, exploit, government, hacker, infrastructure, phishing, spear-phishing, threat, vulnerabilityThe NSFOCUS Fuying Laboratory’s global threat hunting system identified 19 sophisticated Advanced Persistent Threat (APT) attack campaigns, predominantly targeting regions across South Asia, East Asia, Eastern Europe, and South America. These incursions highlighted a continuation of targeted cyber espionage and sabotage activities, primarily focusing on government agencies, critical infrastructure, and prominent industry sectors through a…
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10 Hot Cybersecurity Tools Announced At RSAC 2025
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in SecurityNewsAmong the hot cybersecurity tools announced at RSA Conference (RSAC) 2025 so far include products from Palo Alto Networks, CrowdStrike and Netskope in segments including security operations, agentic AI security and email protection. First seen on crn.com Jump to article: www.crn.com/news/security/2025/10-hot-cybersecurity-tools-announced-at-rsac-2025
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Security Affairs newsletter Round 521 by Pierluigi Paganini INTERNATIONAL EDITION
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in SecurityNews
Tags: breach, ceo, cybersecurity, data, data-breach, email, group, international, malware, WeeklyReviewA new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. African multinational telco giant MTN Group disclosed a data breach CEO of cybersecurity firm charged with installing malware…
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Microsoft announces fix for CPU spikes when typing in Outlook
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in SecurityNewsMicrosoft says it will soon fix a known issue causing CPU spikes when typing messages in recent versions of its classic Outlook email client. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-announces-fix-for-cpu-spikes-when-typing-in-outlook/
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Lesson from huge Blue Shield California data breach: Read the manual
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in SecurityNewsread the documentation of any third party service you sign up for, to understand the security and privacy controls;know what data is being collected from your organization, and what you don’t want shared.”It’s important to understand these giant platforms make it easy for you to share your data across their various services,” he said. “So…
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Beyond the Inbox: ThreatLabz 2025 Phishing Report Reveals How Phishing Is Evolving in the Age of GenAI
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in SecurityNews
Tags: access, ai, attack, authentication, best-practice, captcha, cloud, control, credentials, crypto, cyber, cybercrime, data, defense, detection, dmarc, email, exploit, finance, google, identity, jobs, login, malicious, malware, mfa, phishing, radius, risk, scam, spam, strategy, tactics, technology, theft, threat, tool, vulnerability, zero-day, zero-trustGone are the days of mass phishing campaigns. Today’s attackers are leveraging generative AI (GenAI) to deliver hyper-targeted scams, transforming every email, text, or call into a calculated act of manipulation. With flawless lures and tactics designed to outsmart AI defenses, cybercriminals are zeroing in on HR, payroll, and finance teams”, exploiting human vulnerabilities with…
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Expel Extends MDR Capabilities to Strengthen Email Threat Defense
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in SecurityNewsFirst seen on scworld.com Jump to article: www.scworld.com/news/expel-extends-mdr-capabilities-to-strengthen-email-threat-defense
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How MSSPs Can Help Customers Combat Email Bombing
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in SecurityNewsFirst seen on scworld.com Jump to article: www.scworld.com/perspective/how-mssps-can-help-customers-combat-email-bombing
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Microsoft fixes machine learning bug flagging Adobe emails as spam
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in SecurityNewsMicrosoft says it mitigated a known issue in one of its machine learning (ML) models that mistakenly flagged Adobe emails in Exchange Online as spam. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-fixes-machine-learning-bug-flagging-adobe-emails-as-spam/
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Despite Recent Security Hardening, Entra ID Synchronization Feature Remains Open for Abuse
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in SecurityNewsMicrosoft synchronization capabilities for managing identities in hybrid environments are not without their risks. In this blog, Tenable Research explores how potential weaknesses in these synchronization options can be exploited. Synchronizing identity accounts between Microsoft Active Directory (AD) and Entra ID is important for user experience, as it seamlessly synchronizes user identities, credentials and groups…
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Gmail’s New Encrypted Messages Feature Opens a Door for Scams
Google is rolling out an end-to-end encrypted email feature for business customers, but it could spawn phishing attacks, particularly in non-Gmail inboxes. First seen on wired.com Jump to article: www.wired.com/story/gmail-end-to-end-encryption-scams/
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Email Health Checklist: How to Boost Inbox Placement
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in SecurityNewsIs your email health hurting deliverability? Learn how to fix bounce rates, set up SPF, DKIM, and DMARC, and boost inbox placement with this step-by-step guide. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/04/email-health-checklist-how-to-boost-inbox-placement/
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Adversarythe-Middle Attacks Persist Strategies to Lessen the Impact
Adversary-in-the-middle fraud (AiTM) represents a significant, ongoing challenge for businesses, with tactics like email hijacking, AI attacks and account takeovers becoming increasingly complex. First seen on securityboulevard.com Jump to article: securityboulevard.com/2025/04/adversary-in-the-middle-attacks-persist-strategies-to-lessen-the-impact/
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Fake Google Security Alert Hides a Phishing Scam
A developer reported the scam after noticing a slight discrepancy in the email address. The scam passed Google’s own DKIM checks. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-google-oauth-scam/
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Researchers Uncover Stealthy Tactics and Techniques of StrelaStealer Malware
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in SecurityNewsCybersecurity experts have recently shed light on the sophisticated operations of StrelaStealer, also known by its alias Strela, revealing a suite of stealthy tactics employed in its information theft campaigns. This malware, spotlighted by IBM Security X-Force for its association with the HIVE-0145 threat actor group, targets email credentials from prominent clients like Microsoft Outlook…
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When AI moves beyond human oversight: The cybersecurity risks of self-sustaining systems
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in SecurityNews
Tags: access, ai, attack, authentication, automation, breach, business, control, credentials, crowdstrike, cybersecurity, data, detection, email, exploit, firewall, fraud, government, identity, infection, login, malware, mfa, monitoring, network, phishing, risk, software, technology, threat, update, vulnerabilityautopoiesis, allows AI systems to adapt dynamically to their environments, making them more efficient but also far less predictable.For cybersecurity teams, this presents a fundamental challenge: how do you secure a system that continuously alters itself? Traditional security models assume that threats originate externally, bad actors exploiting vulnerabilities in otherwise stable systems. But with AI capable…
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EMail-Konto einer Stadtverwaltung in Idaho, USA gehackt
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in SecurityNewsNotice of Data Security Incident First seen on ag.idaho.gov Jump to article: www.ag.idaho.gov/content/uploads/2025/02/Hailey-Initial-AG-Notice120087275.pdf
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Weaponized Amazon Gift Cards Used to Steal Microsoft Credentials
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in SecurityNewsCybercriminals are exploiting the trust in e-gift cards and the prestige of Amazon to steal Microsoft credentials from unsuspecting employees. The attack begins with an email, disguised as a >>Reward Gateway
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Identity Attacks Now Comprise a Third of Intrusions
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in SecurityNewsIBM warns of infostealer surge as attackers automate credential theft and adopt AI to generate highly convincing phishing emails en masse First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/identity-attacks-now-comprise/
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Agent Tesla Malware Uses Multi-Stage Attacks with PowerShell Scripts
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in SecurityNewsResearchers from Palo Alto Networks have uncovered a series of malicious spam campaigns leveraging the notorious Agent Tesla malware through intricate, multi-stage infection vectors. The attack begins innocuously enough with the receipt of a socially engineered email, often crafted to appear legitimate and relevant to the recipient. These emails carry an archive attachment, which typically…
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Email-Konto einer Stadtverwaltung in Kentucky, USA gehackt
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in SecurityNewsHillview official’s email account compromised after cyber security incident First seen on youtube.com Jump to article: https://www.youtube.com/watch
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Update these two servers from Gladinet immediately, CISOs told
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in SecurityNews
Tags: access, attack, ciso, cloud, control, credentials, data, defense, email, network, programming, risk, skills, update, vulnerabilityC:\Program Files (x86)\Gladinet Cloud Enterprise\root\web.config, although it has also been seen in this path as well: C:\Program Files (x86)\Gladinet Cloud Enterprise\portal\web.config. Similarly, Triofox web.config files could be in two locations: C:\Program Files (x86)\Triofox\root\web.config and C:\Program Files (x86)\Triofox\portal\web.config.The weakness can be leveraged to abuse the ASPX ViewState, a mechanism used to preserve the state of a…