Behind the Shield Blog

Regular phishing emails feel like an intrusion. They come with fake login pages, weird sender domains, and attachments nobody expected. Users may engage with some of these email traps, but security tools will catch most malicious messages. Thread hijacking is different because the attacker is not trying to start a conversation. They’re stepping into one that already ex...

Most security teams are still watching inbox activity much more closely than calendar activity. Mail filters, attachment scanning, spoofing checks. All useful. But meeting invites move through a different workflow, and the usual controls do not inspect them the same way. That leaves a blind spot that phishing attackers have started figuring out how to use.

Attackers know that abusing trusted SaaS platforms works better than building fake infrastructure from scratch. A shared-document alert or OAuth consent request blends into normal business traffic until it is abused. Most business email security tools were built to catch spoofing, bad reputation, or known malicious links. They struggle more when the attack rides throug...

Many software developers are using AI tools to assist with writing code. While these tools can be helpful for speeding up the process, letting AI touch coding repositories carries an inherent risk.