Category: Help Net Security

Critical Citrix NetScaler bug fixed, upgrade ASAP! (CVE-2025-5777)

Citrix has fixed a critical vulnerability (CVE-2025-5777) in NetScaler ADC and NetScaler Gateway reminiscent of the infamous and widely exploited CitrixBleed flaw. The vulnerabilities have been privately disclosed and there is no indication that they are under active exploitation. Nevertheless,…

How CISOs can justify security investments in financial terms

In this Help Net Security interview, John Verry, Managing Director at CBIZ, discusses how insurers and financial risk professionals evaluate cybersecurity maturity through different lenses. He also shows how framing cyber risk in business terms can strengthen investment cases and…

Quantum risk is already changing cybersecurity

A new report from the Cyber Threat Alliance warns that the era of quantum risk is already underway, and security teams need to stop treating it like a problem for tomorrow. The report, Approaching Quantum Dawn: Closing the Cybersecurity Readiness…

Review: Redefining Hacking

Redefining Hacking takes a look at how red teaming and bug bounty hunting are changing, especially now that AI is becoming a bigger part of the job. About the authors Omar Santos is a Distinguished Engineer at Cisco focusing on…

Medical device cyberattacks push hospitals into crisis mode

22% of healthcare organizations have experienced cyberattacks that directly impacted medical devices, according to RunSafe Security. Three-quarters of these incidents disrupted patient care, including 24% that required patient transfers to other facilities. The survey reveals that healthcare cybersecurity has evolved…