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Ellen Messmer

Ellen Messmer

Senior Editor

Network World

Senior Editor Ellen Messmer covers security for Network World. Contact her at emessmer@nww.com.

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  • emessmer@nww.com
  • (941) 792-1061
  • 9303 Ninth Ave. NW
  • Bradenton FL 34209

Recent articles by Ellen Messmer

Israeli start-up, working with GE, out to detect Stuxnet-like attacks

April 17, 2014

The Stuxnet malware known to have stealthily targeted Iranian nuclear facilities a few years ago was a wake-up call about how vulnerable critical industrial systems can be to cyberattack. Now, an Israeli start-up, with help from General Electric, is testing security technology that would detect Stuxnet-like attacks on critical infrastructure systems used for power production.

Fortinet, McAfee, Trend Micro, Symantec, Bitdefender battle in socially-engineered malware prevention test

April 16, 2014

Socially-engineered malware tries to trick users into downloading and executing malicious code through tactics that include everything from fake antivirus to fake utilities to fake upgrades to the operating system and trojanized applications. NSS Labs tested several endpoint security products to see how well each would block these attacks.

Heartbleed bug is irritating McAfee, Symantec, Kaspersky Lab

April 15, 2014

The Heartbleed Bug disclosed by the OpenSSL group on April 7 has sent many vendors scurrying to patch their products and that includes security firms Symantec, Intel Security's McAfee division, and Kaspersky Lab.

Who's to blame for 'catastrophic' Heartbleed Bug?

April 10, 2014

The Heartbleed Bug, basically a flaw in OpenSSL that would let savvy attackers eavesdrop on Web, e-mail and some VPN communications that use OpenSSL, has sent companies scurrying to patch servers and change digital encryption certificates and users to change their passwords. But who's to blame for this flaw in the open-source protocol that some say also could impact routers and even mobile devices as well?

Heartbleed Bug hits at heart of many Cisco, Juniper products

April 10, 2014

The Heartbleed Bug, a flaw in OpenSSL that would let attackers eavesdrop on Web, e-mail and some VPN communications, is a vulnerability that can be found not just in servers using it but also in network gear from Cisco and Juniper Networks. Both vendors say there's still a lot they are investigating about how Heartbleed impacts their products, and to expect updated advisories on a rolling basis.

IBM claims new patent for mobile security technology

April 08, 2014

IBM has come up with a technology for reducing the risk of data being exposed in mobile push notifications to mobile devices by coming up with a way to encrypt that information so service providers and others can't actually see any data related to the user's mobile device.

New federal rule requires banks to fight DDoS attacks

April 04, 2014

Banks and financial institutions regulated by the federal government must now monitor for distributed denial-of-service (DDoS) attacks against their networks and have a plan in place to try and mitigate against such attacks, a federal regulatory body said this week.

Security pros talk about playing defense against cybercrime

April 03, 2014

Security professionals are playing defense against cybercrime, and often feel outgunned by tech-savvy hackers and insiders out to steal sensitive data from within the business. They see a shortage of qualified security personnel to call on, but also believe that threat-detection tools are getting better.

FireEye, AhnLab score low in lab test of breach detection systems

April 02, 2014

In an evaluative lab test, FireEye and Ahnlab each scored “below average” on their breach-detection systems (BDS) in a comparative group product test which was conducted by NSS Labs.

Dell unveils BYOD-focused mobility product plans

April 01, 2014

Dell today unveiled enterprise mobility software for Google Android or Apple iOS that supports employee "bring your own device" use by selectively applying VPN controls only to the corporate apps on the device, not the employee's personal apps.