Arctic Wolf Networks
Hackers bury inboxes in spam then show up on Microsoft Teams posing as IT support
Threat actors are flooding employees’ inboxes with spam and then contacting them on Microsoft Teams as IT support, offering to fix the problem they created, Arctic Wolf has …
Attacker compromised nearly 1000 Zyxel switches since August (CVE-2026-7273)
A Chinese-speaking threat actor has exploited a vulnerability (CVE-2026-7273) in unpatched ZyXEL GS1900 Smart Managed Switches and has exfiltrated sensitive data from 996 …
Building a ransomware decision tree before the call comes in
In this Help Net Security video, Kerri Shafer-Page, VP of Incident Response at Arctic Wolf, walks through the ransomware decision tree in this video. She covers four areas …
IT help-desk vishing tricks executives into handing over Microsoft 365 access
IT help-desk vishing calls, stolen session tokens, and sign-ins routed through residential proxies are behind a wave of data theft and extortion against Microsoft 365 and …
Threat actor impersonated hundreds of brands on GitHub to push infostealer malware
A financially motivated threat actor is impersonating hundreds of brands on GitHub and pushing a smash-and-grab infostealer masquerading as legitimate downloads of popular …
New infostealer reaches enterprise devices through FortiClient EMS vulnerability
Attackers are delivering a broad-spectrum infostealer to enterprise computers by exploiting a known vulnerability (CVE-2026-35616) in FortiClient Enterprise Management Server …
ICS intrusion detection has blind spots that complicate plant security
Industrial control systems on plant floors run alongside a growing layer of monitoring software meant to catch intruders before they reach a turbine, a valve, or a chemical …
CISA flags another Cisco Catalyst SD-WAN Manager bug as exploited (CVE-2026-20133)
CISA added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including a Cisco Catalyst SD-WAN Manager vulnerability (CVE-2026-20133) that Cisco …
North Korean hackers linked to Axios npm supply chain compromise
The software supply chain attack that resulted in the compromise of npm packages of Axios, an extremely popular HTTP client library, is believed to be the work of …
Critical NetScaler ADC, Gateway flaw may soon be exploited (CVE-2026-3055)
Citrix has fixed two vulnerabilities in NetScaler ADC and NetScaler Gateway, with the more serious flaw (CVE-2026-3055) potentially allowing attackers to extract active …
Arctic Wolf acquires Sevco Security to advance proactive exposure management
Arctic Wolf has acquired Sevco Security, integrating Sevco’s cloud-native technology into the Arctic Wolf Aurora Platform. This integration unifies asset intelligence, …
Hackers probe, exploit newly patched BeyondTrust RCE flaw (CVE-2026-1731)
Attackers are exploiting a recently patched critical vulnerability (CVE-2026-1731) in internet-facing BeyondTrust Remote Support and Privileged Remote Access instances. …
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