Tag: Help Net Security

Hottest cybersecurity open-source tools of the month: November 2025

This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. Heisenberg: Open-source software supply chain health check tool Heisenberg is an open-source tool that checks the health of a software supply chain.…

The identity mess your customers feel before you do

Customer identity has become one of the most brittle parts of the enterprise security stack. Teams know authentication matters, but organizations keep using methods that frustrate users and increase risk. New research from Descope shows how companies manage customer identity…

Your critical infrastructure is running out of time

Cyber attackers often succeed not because they are inventive, but because the systems they target are old. A new report by Cisco shows how unsupported technology inside national infrastructure creates openings that attackers can exploit repeatedly. The findings show how…

Criminal networks industrialize payment fraud operations

Fraud operations are expanding faster than payment defenses can adjust. Criminal groups function like coordinated businesses that develop tools, automate tasks, and scale attacks. New data from a Visa report shows how these shifts are reshaping risk across the financial…

New “HashJack” attack can hijack AI browsers and assistants

Security researchers at Cato Networks have uncovered a new indirect prompt injection technique that can force popular AI browsers and assistants to deliver phishing links or disinformation (e.g., incorrect medicine dosage guidance or investment advice), send sensitive data to the…

DeepTeam: Open-source LLM red teaming framework

Security teams are pushing large language models into products faster than they can test them, which makes any new red teaming method worth paying attention to. DeepTeam is an open-source framework built to probe these systems before they reach users,…

Microsoft cracks down on malicious meeting invites

Phishing is shifting into places people rarely check. Meeting invites that plant themselves on calendars can survive long after the malicious email is gone. That leaves a quiet opening for attackers. Microsoft has updated Defender for Office 365 so that…

How an AI meltdown could reset enterprise expectations

In this Help Net Security interview, Graham McMillan, CTO at Redgate Software, discusses AI, security, and the future of enterprise oversight. He explains why past incidents haven’t pushed the industry to mature. McMillan also outlines the structural shifts he expects…