Lateral movement lets attackers reach more systems after entry; network segmentation, least privilege, and monitoring can limit its impact.
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Lateral movement is an attacker’s progress from an initially compromised device or account to other systems, accounts, or network segments. It commonly uses stolen credentials, remote administration services, shared drives, exposed management interfaces, or vulnerabilities. The objective may be to reach higher-value assets, obtain greater privileges, or establish access that supports data theft or disruption. Because these actions can resemble normal administration, a single endpoint compromise can become a broader intrusion without clear perimeter breaches.
The most relevant defenses limit both reach and credential reuse: segment networks and sensitive environments, apply least privilege, require strong authentication for administrative access, and remove unnecessary remote services. Monitor authentication patterns, new administrative relationships, unusual remote execution, and access between systems that rarely communicate; correlate these signals with endpoint and identity telemetry. Rapidly disabling compromised accounts, isolating affected hosts, and rotating exposed credentials can contain movement, while vulnerability management reduces exploitable paths that bypass authentication.
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Cybersecurity researchers have discovered a previously undocumented modular malware framework codenamed Avalon that's distributed by means of a multi-stage phishing chain capable of bypassing traditional security controls
Microsoft Threat Intelligence presents a comprehensive analysis of The Gentlemen, a Go-based ransomware deployed by affiliates of Storm-2697 that combines per-file ephemeral key encryption with an aggressive self-propagation module to deploy itself across an entire network using series of simultaneous lateral movement techniques per target. The post The Gentlemen ransomware: Dissecting a self-propagating Go encryptor appeared first on Microsoft Security Blog.
Microsoft is testing a new Defender for Endpoint capability that will automatically isolate compromised endpoints to thwart attackers' attempts to move laterally across the network. [...]
A multi-stage attack on Linux devices began with an exposed F5 BIG-IP edge appliance and pivoted to an internal Confluence server for credential theft and identity compromise. Learn how the threat actor attempted Kerberos relay and lateral movement, and how Microsoft Defender detected, blocked, and unraveled the attack. The post From edge appliance to enterprise compromise: Multi-stage Linux intrusion via F5 and Confluence appeared first on Microsoft Security Blog.
Stolen OAuth tokens, which are at the root of these breaches, "are the new attack surface, the new lateral movement," a researcher notes.
Microsoft is warning of threat actors increasingly abusing external Microsoft Teams collaboration and relying on legitimate tools for access and lateral movement on enterprise networks. [...]
Stolen credentials remain a top breach vector, often leading to unchecked privilege escalation. Specops explains how identity-first Zero Trust limits access, enforces device trust, and blocks lateral movement. [...]
CISA: Iran-Linked Groups Actively Exploiting OT Exposure Risks, PLC ProgrammersFederal agencies are warning that Iranian-linked actors have begun actively exploiting internet-facing PLCs and misconfigured OT systems across U.S. critical infrastructure, enabling network access, lateral movement and potential disruption amid rising geopolitical tensions.
For years, cybersecurity has followed a familiar model: block malware, stop the attack. Now, attackers are moving on to what’s next
Stolen Credentials From Trivy Breach Let Hackers Push Malware to PyPIThreat group TeamPCP exploited credentials stolen in the Trivy breach to push malicious versions of LiteLLM to PyPI, exposing developers to credential theft, persistent backdoors and lateral movement tools within hours of publication.
In September 2025, Anthropic disclosed that a state-sponsored threat actor used an AI coding agent to execute an autonomous cyber espionage campaign against 30 global targets. The AI handled 80-90% of tactical operations on its own, performing reconnaissance, writing exploit code, and attempting lateral movement at machine speed
TeamPCP, the threat actor behind the recent compromises of Trivy and KICS, has now compromised a popular Python package named litellm, pushing two malicious versions containing a credential harvester, a Kubernetes lateral movement toolkit, and a persistent backdoor
Geopolitical tensions are driving destructive cyberattacks designed to disrupt operations, not demand ransom. CISOs must limit lateral movement and contain breaches to reduce the impact of wiper campaigns. [...]
Learn how east-west traffic visibility helps detect and stop lateral movement attacks inside electric grid infrastructure and critical OT networks.
Warlock continues to enhance its attack chain with new tactics to improve persistence, lateral movement, and defense evasion using an expanded toolset: TightVNC Yuze, and a persistent BYOVD technique leveraging the NSec driver.
AI-powered ransomware compresses attacks from weeks to minutes. Michael Villar, director of field security technology at Akamai, says banks need AI-driven segmentation to contain intruders fast, limit lateral movement and protect sensitive data before extortion begins.
AI-powered ransomware compresses attacks from weeks to minutes. Michael Villar, director of field security technology at Akamai, says banks need AI-driven segmentation to contain intruders fast, limit lateral movement and protect sensitive data before extortion begins.
A China-related attacker has exploited the vendor flaw since mid-2024, allowing it to move laterally, maintain persistent access, and deploy malware.
Series C Funding Round Focuses on Secrets Remediation, Agent Governance ExpansionBacked by a $50 million Series C, GitGuardian plans to accelerate U.S. expansion and enhance secrets detection remediation and non-human identity controls as AI agents multiply across enterprises, increasing exposure to credential abuse and lateral movement.
So many CVEs, so little time Digital intruders exploited buggy SolarWinds Web Help Desk (WHD) instances in December to break into victims' IT environments, move laterally, and steal high-privilege credentials, according to Microsoft researchers.…