Security expert Sean Sullivan isn't surprised that the massive 2014 breach of Yahoo, which exposed at least 500 million account details, only recently came to light. Here's why, as well as what users must learn from this breach.

Given the rapid spread of malware and difficulties with detection, what actions should organizations take? In this interview, Chris Novak of Verizon and Stephen Orfei of the PCI Security Standards Council offer insights.

In this latest edition of the ISMG Security Report, you'll hear an explanation why estimates from the Ponemon Institute and The Rand Corp. on typical enterprise data breach costs vary so widely. Also, analyses of a car hack, SWIFT's latest initiative to help banks mitigate fraud and the Yahoo breach.

Ransomware attacks are surging because attackers have perfected their techniques while enterprises in all sectors have failed to address critical security shortcomings, says Raimund Genes, CTO at Trend Micro.

A report on a new self-assessment tool that's intended to show whether an enterprise's cyber-risk initiative aligns with its goals and strategy leads the latest edition of the ISMG Security Report.

Because many law enforcement agencies lack cybercrime expertise, it's important for companies that have been attacked to provide as much technical and forensic information as possible to authorities to help ensure that investigations lead to arrests and prosecutions, a panel of experts says.

The recent hacker attack targeting the drug records of Olympic athletes, as well as other breaches involving high-profile targets, highlight the challenges involved in protecting sensitive data from external attackers or malicious insiders driven by political and other causes, says security expert Sean Curran.

A roundup of the just-concluded ISMG Fraud and Breach Prevention in Toronto leads the latest edition of the ISMG Security Report. Also, how one CISO gets his security message across to the board and the challenges CISOs face during their first 100 days on the job.

The paradigm shift in security from prevention to detection and response has finally arrived in Asian markets, says Sid Deshpande, Gartner principal analyst, who shares insights on 2016 trends.

Bank watchdog Sen. Elizabeth Warren is going after Wells Fargo for violating the privacy of bank customers. This news leads the latest edition of the ISMG Security Report.