Skyhigh remains focused on the red hot security service edge market, where it retains a leadership position, according to Gartner.

The WLAN space remains Cisco's domain, and Cloudflare and CrowdStrike partner on security.

Microsoft reported a 23% jump in scope 3 emissions; SentinelOne acquired Attivo for $617 million; and Intel's European expansion depends on EU funding.

“Identity threat detection and response is the missing link in holistic XDR and zero-trust strategies,” SentinelOne COO Nicholas Warner said.

Intel acquired Tower Semiconductor for $5.4 billion, and Snyk bought cloud security posture management vendor Fugue.

Palo Alto Networks targets supply chain security; Fortinet and Orange champion telco managed SASE; and Telefónica tapped Zscaler to expand SSE.

“You don't want your OT side going out talking to the internet. That's a big no, no. So proper segmentation is huge,” CISO Kristen Sanders said.

Juniper Networks acquired WiteSand; CrowdStrike reported an 82% jump in ransomware-related data leaks in 2021; and Rakuten Mobile lost $1 billion in Q4.

The McAfee-FireEye cybersecurity giant rebranded as Trellix; Orca Security acquired RapidSec; and Fractal Analytics raised $360 million.

A new federal strategy moves U.S. government agencies toward a zero-trust approach; Juniper takes on Cisco and Nokia.

Without oversight, inconsistent or incomplete data can poison artificial intelligence and introduce bias and discrimination, Cisco's Anurag Dhingra said

Ericsson usurped Huawei as global RAN leader; hackers weaponized Microsoft Excel in a West-Asian cyberattack; and data privacy is key to gaining trust.

The study confirmed "aligning privacy with security creates financial and maturity advantages compared to other models,” Cisco VP Harvey Jang said.

Plus, a bug in the Linux kernel, discovered earlier this month, leaves Kubernetes clusters and other containerized workloads open to attack.

The acquisition comes on the heels of Orca’s $550 million extended Series C round, which boosted its valuation to about $1.8 billion.

“Operators need to verify that the patch they’ve got in hand is safe to install and did indeed come from their vendor,” aDolus CTO Eric Byres said.

“Our investigation shows that successful intrusions in these campaigns led to the deployment of the Night Sky ransomware,” Microsoft noted.

MWC Barcelona will continue as scheduled despite COVID-19 surges; CISOs are investing more in security products; and VMware Tanzu aims to lessen the skills gap.

DPUs remain mired in misconceptions; SDxCentral’s most popular articles of 2021; and a recap of December’s biggest executive shakeups.

Before we start speculating on how bad the bugs are going to get next year, let’s take a look back at some of the worst cyberattacks of 2021.

Cisco added support for Alkira’s multi-cloud networking platform; attackers used Log4j to target 44% of corporate networks; and Sysdig raised $350 million.

Cloud security unicorn Wiz says more than 89% of all IT environments have vulnerable Log4j libraries.

“This vulnerability is so dangerous because of its massive scale,” Forrester Analyst Allie Mellen said.

Security and observability are coming together; Kyndryl partnered with Google Cloud; and AT&T and Verizon dismissed AWS Private 5G as a competitive threat.