Cisco SD-WAN Zero-Day CVE-2026-20127 Exploited Since 2023 for Admin Access

A newly disclosed maximum-severity security flaw in Cisco Catalyst SD-WAN Controller formerly vSmart and Catalyst SD-WAN Manager formerly vManage has come under active exploitation in the wild as part of malicious activity that dates back to 2023. The vulnerability, tracked as CVE-2026-20127 CVSS...

ASD’s ACSC, CISA, FBI, and NSA, with the support of International Partners Release Best Practices for Event Logging and Threat Detection

Today, the Australian Signals Directorate’s Australian Cyber Security Centre ASD’s ACSC, CISA, FBI, NSA, and international partners are releasing Best Practices for Event Logging and Threat Detectionlink is external. This guide will assist organizations in defining a baseline for event logging to...

ASD’s ACSC, CISA, and Partners Release Secure by Design Guidance on Choosing Secure and Verifiable Technologies

Today, the Australian Signals Directorate’s Australian Cyber Security Centre ASD’s ACSC, together with CISA, the Canadian Centre for Cyber Security CCCS, the United Kingdom’s National Cyber Security Centre NCSC-UK, and the New Zealand National Cyber Security Centre NCSC-NZ are releasing the...

CISA and Partners Release BianLian Ransomware Cybersecurity Advisory

CISA, the Federal Bureau of Investigation FBI, and the Australian Cyber Security Centre ACSC have released a joint Cybersecurity Advisory CSA with known BianLian ransomware and data extortion group technical details. Microsoft and Sophos contributed to the advisory. To reduce the likelihood and...

ACSC Essential 8 Cybersecurity Strategies, Maturity Levels, and Best Practices

Originally published in 2017 as an evolution of the Australian Signals Directorate’s Strategies to Mitigate Cyber Security Incidents, the Australian Cyber Security Centre ACSC Essential 8 E8 consists of a set of strategies that can make it harder for threat actors to compromise a firm’s...

Iranian Islamic Revolutionary Guard Corps-Affiliated Cyber Actors Exploiting Vulnerabilities for Data Extortion and Disk Encryption for Ransom Operations

Summary Actions to take today to protect against ransom operations: • Keep systems and software updated and prioritize remediating known exploited vulnerabilities. • Enforce MFA. • Make offline backups of your data. This joint Cybersecurity Advisory CSA is the result of an analytic effort among t...

ACSC Releases Annual Cyber Threat Report

The Australian Cyber Security Centre ACSC has released its annual report on key cyber security threats and trends for the 2020–21 financial year. The report lists the exploitation of the pandemic environment, the disruption of essential services and critical infrastructure, ransomware, the rapid...

ACSC Releases Securing Content Management Systems Guide

The Australian Cyber Security Centre ACSC has released a cybersecurity guide outlining strategies for identifying and minimizing risks to web servers from installed content management systems CMS. This guidance provides effective mitigation strategies organizations can use to better protect their...

ACSC Releases Fundamentals of Cross Domain Solutions

The Australian Cyber Security Centre ACSC has released a cybersecurity guide outlining the fundamentals of cross domain solution CDS technologies. This guidance provides cross domain security principles to enable organizations to share information securely across separated networks. The...