Communications Security

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SMS phishing / smishing  >  Mobile phone displays text bubble with skull + crossbones

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.

Email takeover  >  Puppeteer hands manipulating the strings of an email client

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.

many office desk phones

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.

CSO slideshow - Insider Security Breaches - Flag of China, binary code

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.

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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.

CSO slideshow - Insider Security Breaches - Flag of China, binary code

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.

Android Notifications

Moving beyond template-based notifications

How to identify your gray area stakeholders for more effective incident response communications.

Slack logo/wordmark [2019]

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.

digital network privacy - eavesdropping

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.

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