Security
Security | News, how-tos, features, reviews, and videos
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Software-defined perimeter: What it is and how it works
With strict authentication enforced by microsegmentation, software-defined perimeter can support Zero Trust Network Access.
Cisco expands its SD-WAN software for wider reach, better security
Cisco SD-WAN software adds encrypted site-to-cloud connectivity; expands its ability to support multi-region fabric deployment, and improves security.
Palo Alto Networks bulks-up its SASE portfolio
Palo Alto's Prisma SASE package now includes more security for SaaS applications and better detection of unknown threats.
How to set up DHCP failover on Windows Server
A few tips on how to make sure the DHCP infrastructure issuing IP addresses isn’t a single point of failure.
Cisco admits hack on IT network, links attacker to LAPSUS$ threat group
Cisco says an employee’s credentials were compromised after an attacker gained control of a personal Google account.
What is IoT? The internet of things explained
The internet of things (IoT) is a network of connected smart devices providing rich data, but it can also be a security nightmare.
Government-imposed internet shutdowns impacted 1.9 billion people in first half of 2022
More people were impacted than during the same period late last year, even as the number of internet blackouts reduced from 84 to 72 in the first half of 2022.
Axis adds automation, onboarding features to Atmos ZTNA network access software
Axis is also offering migration tools and a buyback program for those looking to move from legacy ZTNA (zero trust network access) applications.
Network security depends on two foundations you probably don’t have
Before adding more layers to network security, consider the benefits of explicit network permission, backed by AI-driven traffic analysis.
IBM bolsters quantum cryptography for z16 mainframe
IBM adds NIST’s new public-key encryption and digital signatures algorithms to defend against attacks by future quantum computers.
Are you doing enough to secure your network infrastructure?
Must-do initiatives include eliminating generic credentials, regularly auditing IT admin accounts, and deploying MFA for infrastructure access.
New speculative execution attack Retbleed impacts Intel and AMD CPUs
Unlike other speculative execution attacks like Spectre, Retbleed exploits return instructions rather than indirect jumps or calls.
Juniper upgrades management platform, adds a switch
Juniper has added troubleshooting features to its flagship Mist AI/ML cloud-based management platform and announced the EX4100 Series Ethernet access switch.
Consulting firms jump on the Zero Trust bandwagon
Deloitte's new Zero Trust Access service and HCL's collaboration with Palo Alto Networks mark a sustained trend towards offering Zero Trust security services for clients.
5 mistakes to avoid when implementing zero-trust
Don’t get sidetracked by vendor hype, don’t forget the user experience and don’t skip basic security hygiene, experts say
IBM brings hybrid-cloud app services to z/OS mainframes
Big Blue’s Wazi as a Service can be used to create z/OS infrastructure instances for cloud app testing and development
Cisco reports vulnerabilities in products including email and web manager
New vulnerabilities found in Cisco internal testing allow remote access and scripting that could lead to the loss of sensitive user data.
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