Jaikumar Vijayan

Jaikumar Vijayan is a freelance technology writer specializing in computer security and privacy topics. Disclosure: He also writes for Hewlett-Packard's marketing website TechBeacon.

What does a ransomware attack cost? Beware the hidden expenses

8 questions to ask about your industrial control systems security

8 questions to ask about your industrial control systems security

Do you have a real cybersecurity-focused ICS strategy in place, or are you force-fitting IT security policies on your industrial control systems?

7 threat modeling mistakes you’re probably making

7 threat modeling mistakes you’re probably making

The relative lack of maturity around threat modeling can cause big problems for organizations seeking to adopt the practice to bolster their network and services security.

IRS makes tax refund scams harder but W-2 phishing attacks continue unabated

IRS makes tax refund scams harder but W-2 phishing attacks continue unabated

Anti-fraud measures by the Internal Revenue Service (IRS) and state agencies over the past two years have made tax refund scams harder for cyber criminals to pull off even as attacks targeting taxpayer information continue unabated.

Data shows Home Depot breach could be largest ever

Home Depot may have earned the dubious distinction of being responsible for the biggest compromise ever involving credit and debit card data.

Home Depot breach could potentially be as big as Target's

In what could turn out to be another huge data breach, Home Depot on Tuesday confirmed that it is investigating a potential compromise of credit card and debit card data belonging to an unspecified number of customers.

Tesla recruits hackers to boost vehicle security

Electric carmaker Tesla Motors wants security researchers to hack its vehicles. The Silicon Valley based high-tech carmaker will hire up to 30 full-time hackers whose job will be to find and close vulnerabilities in the sophisticated...

Amazon's efforts to test drones for package delivery gain support

The Association for Unmanned Vehicle Systems International (AUVSI), which represents the nascent commercial drone industry in the U.S., has thrown its considerable weight behind a bid by Amazon to test drones for use in the online...

Shadow cloud services pose a growing risk to enterprises

A growing tendency by business units and workgroups to sign up for cloud services without asking their IT organization creates serious risks for enterprises.

Supervalu breach shows why move to smartcards is long overdue

U.S. remains one of the last developed nations to use magnetic stripe cards.

PCI Security Council moves to boost service providers' credit card security

Growing use of outsourcing companies by merchants drives need for stronger controls.

Cybersecurity should be professionalized

It's time to institute national standards and licensing requirements for cybersecurity professionals, Pell Center says.

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