Communications Security
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How to stop email spoofing of parked domains
Publishing a DMARC record for unused domains is a good idea. Here's how.
What is WireGuard? Secure, simple VPN still in development
The WireGuard VPN offers better performance and a simpler, effective approach to cryptography. Is it ready for the enterprise?
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.
7 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 seven areas before you deploy your own.
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.
Senator Warner seeks "grand alliance" to protect against surveillance threat from China’s tech dominance
The senator believes Chinese companies will be required to aid surveillance of the US, especially as 5G networks roll out.
The top 5 email encryption tools: More capable, better integrated
Most of the email encryption solution vendors have broadened the scope of their products to include anti-phishing, anti-spam, and data loss prevention (DLP).
SMS-based provisioning messages enable advanced phishing on Android phones
Attackers can use this vulnerability to send highly credible phishing messages. Victims' internet traffic is then routed through the attacker's proxy.
Beware rogue email rules and forms
Creating malicious rules and forms in a compromised email client is an old but effective hacker trick that evades traditional antimalware software. Here’s how to make sure you can detect it.
Popular Avaya enterprise VoIP phones are vulnerable to hacking
Attackers can use the vulnerability to gain complete control of the phone. It underscores the risks of using old open-source code in IoT devices.
Telecom insiders detail hardships posed by Chinese technology ban
Banning Chinese Telecom vendors Huawei and ZTE creates fear, uncertainty and doubt as well as new supply chain security ideas among small telcos.
Why the Huawei ban is bad for security
Many believe the ban on exporting U.S. technology to Chinese company Huawei could hurt American tech vendors and do little to mitigate supply chain threats.
Preventing address spoofing with DMARC, DKIM and SPF
These email security protocols will help cut down on malicious emails from spoofed addresses. Setting them up is easier than you think.
Moving beyond template-based notifications
How to identify your gray area stakeholders for more effective incident response communications.
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4 tips to mitigate Slack security risks
A Slack breach would be a nightmare in terms of exposed sensitive data. Here's how to lock down your Slack workspaces.
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.
Are mixnets the answer to anonymous communications?
Combined with strong encryption such as the Signal protocol, modern mixnets could achieve the Holy Grail: metadata-resistant secure communications.
Beware rogue email rules and forms
Creating malicious rules and forms in a compromised email client is an old but effective hacker trick that evades traditional antimalware software. Here’s how to make sure you can detect it.
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