TikTok’s Security Threat Comes Into Focus

As Russia’s war in Ukraine drags on, Ukrainian forces have proved resilient and mounted increasingly intense counterattacks on Kremlin forces. But as the conflict evolves, it is entering an ominous phase of drone warfare. Russia has begun launching a series of recent attacks using Iranian “suicide drones” to inflict damage that is difficult to defend against. With Russian president Vladimir Putin escalating his rhetoric about the potential for a nuclear strike, and NATO officials watching closely for any signs of movement, we examine what indicators are available to the global community in assessing whether Russia is actually preparing to use nuclear weapons.

Meanwhile, an unrelenting string of deeply problematic vulnerabilities in Microsoft’s Exchange Server on-premises email hosting service has left researchers to raise the alarm that the platform isn’t getting the development resources it needs anymore, and customers should seriously consider migrating to cloud email hosting. And new research examines how Wikipedia’s custodians ferret out state-sponsored disinformation campaigns in the crowdsourced encyclopedia’s entries.

If you’re worried about the ongoing threat of ransomware attacks around the world, researchers pointed out this week that middle-of-the-pack groups like the notorious gang Vice Society are maximizing profits and minimizing their exposure by investing very little in technical innovation. Instead, they simply run the most sparse and unremarkable operations they can to target under-funded sectors like health care and education. If you’re looking to do something for your personal security, we’ve got a guide to ditching passwords and setting up “passkeys” on Android and Google Chrome.

But wait, there’s more! Each week, we highlight the news we didn’t cover in-depth ourselves. Click on the headlines below to read the full stories. And stay safe out there.

Officials in the United States have long warned of a potential national security threat because the wildly popular social video platform TikTok is owned by a Chinese company, ByteDance. But TikTok has always maintained that it is firewalled between ByteDance and its US userbase. But materials seen by…