The app Slack was designed to make group work easier. But it also offers tools for communicating one-on-one. You can also call or video call someone directly from Slack. Here, we show you how.
Microsoft Opens Windows, But Reverts to Old Competitive Playbook
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Expiration Date 4-6-2021
On April 6, 2021, we had a wildcard TLS certificate unexpectedly expire. It is embarrassing when a certificate expires, but we felt it was important to share our story here in hopes that others can also take our learnings and improve their systems. If you or your organization are using certificate monitoring, this may be a good reminder to check for gaps in those systems.
The certificate that expired was used across many internal-facing services at Epic. Too many, in fact. Despite our best efforts to monitor our certificates for expiration, we didn’t fully cover every area where certificates were being used. Following the expiration and renewal of the certificate, a series of unexpected events unfolded that extended the outage. We have more details on these in this post.
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Thanks in large part to the global pandemic, collaboration platforms like Discord and Slack have taken up intimate positions in our lives, helping maintain personal ties despite physical isolation. But their increasingly integral role has also made them a powerful avenue for delivering malware to unwitting victims sometimes in unexpected ways.
Cisco s security division, Talos, published new research on Wednesday highlighting how, over the course of the Covid-19 pandemic, collaboration tools like Slack and, much more commonly, Discord have become handy mechanisms for cybercriminals. With growing frequency, they re being used to serve up malware to victims in the form of a link that looks trustworthy. In other cases, hackers have integrated Discord into their malware for remote control of their code running on infected machines, and even to steal data from victims. Cisco s researchers warn that none of the techniques