Gregg Keizer

Articles by Gregg Keizer

DNS researcher convinces skeptics that bug is serious

By Gregg Keizer

Jul 11, 2008 4 mins

DNS Networking Vulnerabilities

Microsoft patch knocks ZoneAlarm some users offline

By Gregg Keizer

Jul 9, 2008 4 mins

Microsoft Network Security Patch Management Software

ICANN blames June site hijack on registrar

By Gregg Keizer

Jul 7, 2008 2 mins

Intrusion Detection Software Legal Networking

Microsoft trumpets security additons in upcoming IE8

By Gregg Keizer

Jul 4, 2008 4 mins

Browsers Enterprise Applications Microsoft

Apple patches 25 Mac OS X security vulnerabilities

By Gregg Keizer

Jul 3, 2008 3 mins

Apple MacOS Patch Management Software

Microsoft scrutinizes WSUS patch snafu

By Gregg Keizer

Jul 1, 2008 3 mins

Microsoft Small and Medium Business Windows

Microsoft repairs PCs crippled by XP SP3 update

By Gregg Keizer

Jun 29, 2008 2 mins

Microsoft Patch Management Software Small and Medium Business

Hackers hijack critical Internet organizations

By Gregg Keizer

Jun 27, 2008 2 mins

Cybercrime Intrusion Detection Software Networking

Cleaning Chinese malware sites harder than in U.S.

By Gregg Keizer

Jun 26, 2008 4 mins

Malware Networking Security

Researchers warn of IE6 zero-day bug

By Gregg Keizer

Jun 26, 2008 2 mins

Browsers Microsoft Vulnerabilities

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Groundcover raises $100M as observability pivots from monitoring to AI infrastructure

By Sean Michael Kerner

Jul 31, 20265 mins

Network Management SoftwareNetwork MonitoringNetworking

Dangling DNS records and reverse DNS gaps give attackers new openings

By Sean Michael Kerner

Jul 31, 20266 mins

DNSInternetNetwork Security

Data center developer eyes disused newpaper printing plant

By Maxwell Cooter

Jul 31, 20262 mins

Data CenterMarketsMedia and Entertainment Industry

Has the hype around ‘Internet of Things’ paid off? | Ep. 145

Apr 18, 202436 mins

IoT PlatformsIoT Security

Episode 1: Understanding Cisco’s Converged SDN Transport

Sep 24, 202120 mins

Cisco SystemsInternetNetworking

Episode 2: Pluggable Optics and the Internet for the Future

Sep 23, 202117 mins

Cisco SystemsComputers and PeripheralsInternet

Master Linux Math with the bc Command | Easy CLI Calculations Explained!

Jun 23, 20251 mins

Operating Systems

Master Linux Math in Seconds: How to Use the expr Command Like a Pro

Jun 17, 20251 mins

Operating Systems

How to Do Math in the Command Line Using Double Parentheses

Jun 6, 20251 mins

Operating Systems