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An anonymous hooded figure is surrounded by an abstract network of avatars.

Government cybersecurity agency warns of Windows Server exploit

Rare warning from CISA instructs government agencies to patch a vulnerability in a core authentication component of Active Directory from Windows Server 2008 to Windows Server 2019.


A man with his head in his hands amid abstract security contruct.

Cisco turns out security patches 25 high-threat flaws for IOS, IOS XE

Cisco this week posted 25 security advisories defining 34 vulnerabilities rated high that should be fixed right away


Intel Optane 3D Xpoint DIMM

MemVerge ships software-defined persistent memory software

Memory Machine does in-memory virtualization and memory snapshots using DRAM and Optane in combination.


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Interlocking gears and binary code.

What is a virtual machine, and why are they so useful?

Many of today’s IT innovations have their roots in VMs and their separation of software from hardware.


A virtual brain is wired with technology connections.

Could human organs join networks?

Ongoing research explores biologically-based communication networks and electronics that could directly connect to human tissues.


A laptop user in a remote, rural location benefits from wireless range and connectivity.

Vendors lengthen the range of 5G millimeter-wave transmissions

Tests involving Ericsson and Qualcomm overcame some of the limiting characteristics of 5G millimeter connectivity, more than doubling its effective distance.


mainframe servers in the cloud

Still not dead: The mainframe hangs on, sustained by Linux and hybrid cloud

The mainframe—Linux alliance turns 20 this month and is proving to be more vital than ever, primarily in the form of Big Iron-based Red Hat OpenShift.


secure data network digital cloud computing cyber security concept picture id1157887211

Cisco extends SD-WAN options with AWS, Azure hybrid-cloud integration

New Cisco SD-WAN Cloud OnRamp features simplify access to multi-cloud services and provide better security and lower latency.


Cavium ThunderX 64-bit ARM processors

Arm updates Neoverse server processors with considerable performance claims

Arm boasts the new Neoverse processor designs will deliver 50% better performance for the same power as the previous generation.


thousandeyes map

COVID-19: Weekly health check of ISPs, cloud providers and conferencing services

Thousand Eyes, which tracks internet and cloud traffic, is providing Network World with weekly updates on the performance of three categories of service provider: ISP, cloud provider, UCaaS


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5g wireless mobile data connection

Cradlepoint buy nets Ericsson 5G infrastructure for carriers, enterprises

Ericsson’s $1.1 billion purchase of Cradlepoint could broaden its customer base and expand the 5G services its carrier customers can support.


virtual data center servers

Should you upgrade tape drives to the latest standard?

A recently released standard for linear tape-open—LTO-9—sets the scene for faster drives with more capacity, but are they a must-have?


servers / server racks [close-up perspective shot]

IDC reports jump in server sales, decline in storage revenue

On the surface it would seem contradictory for one market to rise and another to fall, but there is a pattern here.


sd-wan

Palo Alto beefs-up its SD-WAN menu with machine learning, analytics

Palo Alto upgrades the SD-WAN gear it bought via CloudGenix with machine learning and artificial intelligence to embrace cloud deployment


networking background

Extreme unveils universal networking gear to simplify infrastructure decisions

Extreme Networks takes the wraps off new core switches; cloud-based management platform adds wireless intrusion protection, location services, IoT management, guest access, and compliance apps.