Communications Security
Communications Security | News, how-tos, features, reviews, and videos
8 ways 5G mobile networks will change IoT security, and how to prepare
Every internet of things security issue will be greatly magnified in a 5G environment. Address these eight areas before you deploy your own.
Email spoofing explained: Who does it and how?
Forging email has been with us since the beginning of the internet, but new security kludges are making it a lot harder.
7 ways to make your Zoom meetings safer
Learn to use the tools Zoom gives you to secure online conferences.
8 video chat apps compared: Which is best for security?
Zoom, Microsoft Teams, Google Duo, Cisco Webex, FaceTime, Jitsi, Signal and WhatsApp. What does their encryption look like? What are the trade-offs?
Trump administration moves to revoke China Telecom's US licenses on security grounds
A legal filing claims China Telecom is in violation of federal and state cybersecurity and privacy laws, but evidence is redacted.
White House strategy paper to secure 5G envisions America leading global 5G development
Though light on details, the paper offers clues as to how the US government sees the development and security of 5G communications moving forward.
Weakness in Zoom for macOS allows local attackers to hijack camera and microphone
Zoom's use of insecure system APIs allow attackers to elevate privileges as well.
What is WireGuard? Secure, simple VPN now part of Linux
The WireGuard VPN offers better performance and a simpler, effective approach to cryptography, and now it's built into Linux 5.6. Is it ready for the enterprise?
How to prepare Microsoft Office and Windows for ransomware and email attacks
You've set up your remote workers during this COVID-19 crisis, but have you made the adjustments to be prepared for a cyber disaster like a ransomware attack?
10 Slack security tools compared
Slack does a good job of protecting its own code, but you'll need help to stop malware delivered through Slack messages or to avoid exposing personal information.
5G security is a mess. Could digital certificates help?
5G inherited security vulnerabilities from earlier mobile technology, but digital certificates might solve the issue of unauthenticated messages.
Presidential campaigns taking email security more seriously--not so much at the local level
DMARC now protects the email domains for most U.S. presidential candidates, according to a new report, but local election bodies lag behind and are vulnerable to spoofing.
With email security, some things can't be outsourced
You can outsource your email, but a good chunk of securing that email remains in-house. Here's what you need to know.
How the Tour de France secures its broadcast from disruption
Few sporting events have the scale and logistics challenges that the Tour de France presents. Event organizer ASO uses the cloud and tight physical security to avoid cyberattacks and broadcast integrity.
Inspecting TLS-encrypted traffic with mitmproxy
The free, open-source mitmproxy tool makes it easy to inspect TLS-encrypted app and web traffic to see exactly who your phone is talking to.
How to stop email spoofing of parked domains
Publishing a DMARC record for unused domains is a good idea. Here's how.
6 known RCE vulnerabilities in enterprise VPNs and how to minimize the risk
Enterprise VPNs might not always be as safe as you think. Be aware of these RCE vulnerabilities in popular enterprise VPN solutions.
How to migrate smartphone users to the Outlook app with Intune
With the pending retirement of Microsoft Basic Authentication, the best way to protect mobile device users connecting through Exchange is to move them to Outlook.
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