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SSO lets one identity access multiple services, reducing password reuse while making account, session, and identity-provider security critical.

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Single sign-on (SSO) lets a user authenticate once with a central identity provider and then access multiple applications without signing in separately to each one. Applications commonly rely on federation protocols such as SAML or OIDC to accept an assertion or token from that provider. SSO centralizes authentication; it does not by itself make every connected application secure or eliminate the need for authorization.

The concentration of access makes the identity provider a high-value target: a stolen password, session, or authentication token may provide access to many services. Phishing-resistant MFA, risk-based access controls, secure token and session handling, and careful configuration of application trust reduce that exposure. Organizations should also monitor provider and federation logs, review which applications can rely on SSO, and promptly disable accounts and sessions when roles change or employment ends. Misconfigured claims or overly broad application permissions can otherwise grant more access than intended.

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Showing 20 most recent headlines of 61 Filtered view

Acquisition Adds MSP-Friendly PAM, MFA and SSO to Existing Identity Security ToolsBarracuda acquired Evo Security to add privileged access management, multifactor authentication and single sign-on to its security platform, creating an MSP-focused identity resilience offering designed to simplify protection for small and midsize businesses while automating identity management.

Startup Targets Incumbents Doing Directories, Authentication, Federation and SSONewCore, founded by Dome9 creator Zohar Alon, emerged from stealth with $66 million to build security-first identity infrastructure designed to manage the explosion of autonomous AI agents, machine identities and cryptographic credentials expected across modern enterprises.

Bank Info Security 5 months, 2 weeks ago

Fortinet Locks Down FortiCloud SSO Amid Zero-Day Attacks

Mitigation: SSO Access Restricted After Attackers Compromised Fully Patched DevicesNetwork security giant Fortinet locked out cloud customers from its single sign-on service until they update device firmware with a patch against active attacks exploiting an improper access control zero day. Only Fortinet devices running the latest, patched firmware versions can use Fortinet SSO.

Fortinet has confirmed a new, actively exploited critical FortiCloud single sign-on (SSO) authentication bypass vulnerability, tracked as CVE-2026-24858, and says it has mitigated the zero-day attacks by blocking FortiCloud SSO connections from devices running vulnerable firmware versions. [...]

Plus, the gang says it got in via Microsoft Entra SSO ShinyHunters says it stole several slices of data from Panera Bread, but that's just the yeast of everyone's problems. The extortionist gang also claims to have stolen data from CarMax and Edmunds, in addition to three other organizations it posted to its blog last week.…

Bank Info Security 5 months, 3 weeks ago

Voice Phishing Okta Customers: ShinyHunters Claims Credit

Okta Alerts Customers' CISOs to Malicious Campaigns Seeking Single Sign-On AccessA surge in attacks that bypass some types of multifactor authentication has been tied to a new generation of voice-phishing toolkits that give attackers the ability to orchestrate what a target sees in their browser, warns a new report from Okta, which is among the services being targeted.

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