Tag: Help Net Security

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…

Aircraft cabin IoT leaves vendor and passenger data exposed

The expansion of IoT devices in shared, multi-vendor environments, such as aircraft cabins, has created tension between the benefits of data collaboration and the risks to passenger privacy, vendor intellectual property, and regulatory compliance. A new study finds that even…

The breaches everyone gets hit by (and how to stop them)

Headlines scream about zero-days and nation-state attacks, but the reality is far less glamorous. Ross Haleliuk, from Venture in Security talks about the concept of humans being wired to overweight rare, dramatic events and underweight the everyday risks that quietly…

Supply chain sprawl is rewriting security priorities

Organizations depend on long chains of vendors, but many cybersecurity professionals say these relationships create gaps they cannot see or control. A new ISC2 survey of more than 1,000 cybersecurity professionals shows that supply chain risk sits near the top…

Cybersecurity jobs available right now: November 25, 2025

Associate Director, Cybersecurity Specialist HSBC | India | Remote – View job details As an Associate Director, Cybersecurity Specialist, you will lead the Cyber Professional Testing Practice, setting direction, mentoring teams, and planning resources to support organisation-wide adoption. You will…

Black Friday 2025 cybersecurity deals to explore

Black Friday 2025 is shaping up to be a good moment for anyone thinking about tightening their cybersecurity. A few solid deals are popping up that make it easier to improve protection for systems and data without stretching your budget.…