Tag: authentication
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Microsoft issues emergency update for macOS and Linux ASP.NET threat
When authentication fails, things can go very, very wrong. First seen on arstechnica.com Jump to article: arstechnica.com/security/2026/04/microsoft-issues-emergency-update-for-macos-and-linux-asp-net-threat/
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Microsoft issues emergency update for macOS and Linux ASP.NET threat
When authentication fails, things can go very, very wrong. First seen on arstechnica.com Jump to article: arstechnica.com/security/2026/04/microsoft-issues-emergency-update-for-macos-and-linux-asp-net-threat/
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Microsoft issues outband patch for critical security flaw in update to ASP.NET Core
UseCustomCryptographicAlgorithms API.A bug in the .NET 10.0.6 package, released as part of the Patch Tuesday updates on April 14, causes the ManagedAuthenticatedEncryptor library to compute the validation tag for the Hash-based Message Authentication Code (HMAC) using an incorrect offset.Incorrect calculation of security hashes results in the .AspNetCore application cookies and tokens being validated and trusted…
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SAML vs OIDC vs OAuth 2.0: 12 Differences Every B2B Engineering Team Should Know
Tags: authenticationChoosing between SAML, OIDC, and OAuth 2.0? Explore 12 critical differences to help your B2B engineering team select the right authentication protocol today. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/saml-vs-oidc-vs-oauth-2-0-12-differences-every-b2b-engineering-team-should-know/
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Lattice-based Signature Schemes for MCP Host Authentication
Tags: authenticationLearn how to use lattice-based signature schemes like CRYSTALS-Dilithium for securing Model Context Protocol (MCP) host authentication in a post-quantum world. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/lattice-based-signature-schemes-for-mcp-host-authentication/
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Secure Phone-Based Authentication: Voice OTP, IVR, and AI Voice Agent
Explore secure phone-based authentication methods like voice OTP, IVR, and AI voice agents to enhance security and prevent fraud. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/secure-phone-based-authentication-voice-otp-ivr-and-ai-voice-agent/
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Phishing and MFA exploitation: Targeting the keys to the kingdom
In 2025, attackers increasingly targeted weaknesses in multi-factor authentication (MFA) workflows, and phishing attacks leveraged valid, compromised credentials to launch lures from trusted accounts. The trends focused entirely on trust, or the lack thereof, in everyday business operations. First seen on blog.talosintelligence.com Jump to article: blog.talosintelligence.com/phishing-and-mfa-exploitation-targeting-the-keys-to-the-kingdom/
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CISA Adds 8 Exploited Flaws to KEV, Sets April-May 2026 Federal Deadlines
Tags: authentication, cisa, cisco, cve, cybersecurity, exploit, flaw, infrastructure, kev, vulnerabilityThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including three flaws impacting Cisco Catalyst SD-WAN Manager, citing evidence of active exploitation.The list of vulnerabilities is as follows -CVE-2023-27351 (CVSS score: 8.2) – An improper authentication vulnerability in PaperCut First seen on thehackernews.com…
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Fireside Chat: PKI has carried digital trust through every tech advance”, now comes the hardest one
Public key infrastructure, the authentication and encryption framework that has held digital commerce together through every chaotic leap forward in technology, is facing a double whammy. Related: Achieveing AI security won’t be easy Autonomous AI agents are flooding… (more”¦) First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/fireside-chat-pki-has-carried-digital-trust-through-every-tech-advance-now-comes-the-hardest-one/
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Attackers abuse Microsoft Teams to impersonate the IT helpdesk in a new enterprise intrusion playbook
Cross-tenant risk grows: The attack chain uses Teams’ cross-tenant communication capability, which allows external users to initiate chats with employees, Microsoft wrote in the blog.”The cross-tenant risk is significant, and many organizations probably do underestimate it,” said Sunil Varkey, advisor at Beagle Security.”Collaboration tools were designed to reduce friction, but many organizations enabled that convenience…
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What is DANE? DNS-Based Authentication of Named Entities Explained (2026)
DANE (DNS-Based Authentication of Named Entities) uses DNSSEC and TLSA records to secure TLS certificates and prevent man-in-the-middle attacks on email and the web. Here’s how it works. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/what-is-dane-dns-based-authentication-of-named-entities-explained-2026/
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Public Notion Pages Expose Editors’ Profile Photos and Email Addresses
A significant data exposure issue has been brought to light regarding Notion, a highly popular productivity and note-taking application. This exposure happens without requiring any authentication, cookies, or access tokens, leaving thousands of indexable company wikis and personal pages vulnerable to data scraping. For organizations that rely on Notion for public-facing documentation, this poses a…
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Top XBOW Alternatives in 2026
Escape is the best XBOW alternative for continuous AI pentesting across APIs, web apps, and complex authentication, with regression testing, developer-ready remediation, and platform pricing suited for rapidly scaling orgs. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/top-xbow-alternatives-in-2026/
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Top XBOW Alternatives in 2026
Escape is the best XBOW alternative for continuous AI pentesting across APIs, web apps, and complex authentication, with regression testing, developer-ready remediation, and platform pricing suited for rapidly scaling orgs. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/top-xbow-alternatives-in-2026/
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The Rise of Remote Jobs in Cybersecurity and Authentication
Explore the rise of remote jobs in cybersecurity and authentication, and discover career opportunities, skills, and trends shaping the future. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/the-rise-of-remote-jobs-in-cybersecurity-and-authentication/
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CVE-2026-33032: severe nginx-ui bug grants unauthenticated server access
An actively exploited critical nginx-ui flaw (CVE-2026-33032) lets attackers bypass authentication and take full control of Nginx servers. A critical vulnerability in nginx-ui, tracked as CVE-2026-33032 (CVSS score of 9.8), is being actively exploited, allowing attackers to bypass authentication and fully take over Nginx servers. The issue stems from improper protection of the /mcp_message endpoint,…
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New AgingFly malware used in attacks on Ukraine govt, hospitals
A new malware family named ‘AgingFly’ has been identified in attacks against local governments and hospitals that steal authentication data from Chromium-based browsers and WhatsApp messenger. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/new-agingfly-malware-used-in-attacks-on-ukraine-govt-hospitals/
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Two-Factor Authentication Breaks Free from the Desktop
Threat actors know how to bypass security systems outside of traditional IT environments. Implementing 2FA could provide a needed extra security barrier in the physical world. First seen on darkreading.com Jump to article: www.darkreading.com/endpoint-security/two-factor-authentication-breaks-free-from-the-desktop
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Critical nginx UI tool vulnerability opens web servers to full compromise
Tags: access, ai, api, attack, authentication, ceo, credentials, data-breach, endpoint, exploit, infrastructure, Internet, risk, service, software, threat, tool, update, vulnerability/mcp_message, was implemented without authentication, a weakness Pluto Security dubbed ‘MCPwn’.”This exposes 12 MCP tools, including config writes with automatic nginx reload, to any host on the network. One unauthenticated API call is all it takes to inject a config and take over nginx,” said Pluto Security.Leveraging MCPwn, an attacker would be able to intercept…
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Critical nginx UI tool vulnerability opens web servers to full compromise
Tags: access, ai, api, attack, authentication, ceo, credentials, data-breach, endpoint, exploit, infrastructure, Internet, risk, service, software, threat, tool, update, vulnerability/mcp_message, was implemented without authentication, a weakness Pluto Security dubbed ‘MCPwn’.”This exposes 12 MCP tools, including config writes with automatic nginx reload, to any host on the network. One unauthenticated API call is all it takes to inject a config and take over nginx,” said Pluto Security.Leveraging MCPwn, an attacker would be able to intercept…
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Critical nginx UI tool vulnerability opens web servers to full compromise
Tags: access, ai, api, attack, authentication, ceo, credentials, data-breach, endpoint, exploit, infrastructure, Internet, risk, service, software, threat, tool, update, vulnerability/mcp_message, was implemented without authentication, a weakness Pluto Security dubbed ‘MCPwn’.”This exposes 12 MCP tools, including config writes with automatic nginx reload, to any host on the network. One unauthenticated API call is all it takes to inject a config and take over nginx,” said Pluto Security.Leveraging MCPwn, an attacker would be able to intercept…
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The deepfake dilemma: From financial fraud to reputational crisis
Tags: ai, authentication, business, ceo, communications, control, cyber, data-breach, deep-fake, exploit, finance, fraud, malicious, phone, resilience, risk, threat, toolDeepfakes as tools for financial fraud: Deepfakes have quickly become a powerful enabler of financial fraud. This is largely because most business communication channels, like video and voice calls, remain unauthenticated. A single convincing audio or video call, seemingly from a trusted executive, can bypass established controls in minutes. Employees in these scenarios often follow…
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The deepfake dilemma: From financial fraud to reputational crisis
Tags: ai, authentication, business, ceo, communications, control, cyber, data-breach, deep-fake, exploit, finance, fraud, malicious, phone, resilience, risk, threat, toolDeepfakes as tools for financial fraud: Deepfakes have quickly become a powerful enabler of financial fraud. This is largely because most business communication channels, like video and voice calls, remain unauthenticated. A single convincing audio or video call, seemingly from a trusted executive, can bypass established controls in minutes. Employees in these scenarios often follow…
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Claude Mythos: Prepare for your board’s cybersecurity questions about the latest AI model from Anthropic
Tags: ai, api, application-security, attack, authentication, automation, best-practice, business, ceo, cisa, cloud, compliance, container, control, cve, cvss, cyber, cybersecurity, data, data-breach, endpoint, exploit, fedramp, finance, flaw, framework, governance, group, HIPAA, identity, injection, insurance, kev, law, linkedin, linux, LLM, macOS, network, PCI, risk, service, soc, software, strategy, technology, threat, update, vulnerability, vulnerability-management, windows, zero-day, zero-trustWith the Federal Reserve Chairman meeting with bank CEOs to discuss the security implications of Claude Mythos, you can bet that your board of directors will ask you about the impact of the AI model on your cybersecurity strategy. Here’s how to prepare. Key takeaways Anthropic announced Claude Mythos Preview, its most powerful general-purpose frontier…
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9 AI Agent Authentication Methods for Autonomous Systems
the 9 most common AI agent authentication methods used to secure autonomous systems, APIs, and machine identities. A developer guide to building secure AI agent identity architectures. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/04/9-ai-agent-authentication-methods-for-autonomous-systems/
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Best of the Worst: Five Attacks That Already Knew Your Name
<div cla TL;DR This week’s Attack of the Day posts revealed a clear shift from volume to precision. A phishing PDF auto-launched a credential harvest page the instant it opened, no click required. A QR code inside another PDF had the target’s email address pre-encoded in base64, so the landing page pre-filled the victim’s username…
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Survey Sees Little Progress Made on Automating Identity Management
A survey of 614 cybersecurity and IT leaders finds 89% of the applications deployed are not centrally managed via a multifactor authentication (MFA) platform. Conducted by the Ponemon Group on behalf of Cerby, a provider of a platform for managing identities, the survey also notes 70% have not configured to provide single sign-on (SSO) capabilities……