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Polymath Central

Thoughts and musings of David Greenberg, a polymath

Cybersecurity

Critical NGINX Vulnerability Can Crash Workers and May Allow Remote Code Execution

July 19, 2026 Blogmaster

F5 has shipped fixes for a critical nginx flaw that lets a remote, unauthenticated attacker trigger a heap buffer overflow in the worker process with crafted HTTP requests. CVE-2026-42533 was…

Technology

Funniest/Most Insightful Comments Of The Week At Techdirt

July 19, 2026 Blogmaster

This week, our first place winner on the insightful side is Thad with a simple comment about the judicial smackdown of Trump’s IRS settlement: Bar referrals. Finally. In second place,…

Cybersecurity

SonicWall SMA Zero-Days Exploited Before Disclosure to Gain Root Access

July 19, 2026 Blogmaster

A previously undocumented threat actor has been attributed to the exploitation of recently disclosed SonicWall Secure Mobile Access (SMA) 1000 series VPN appliances as zero-days prior their public disclosure since…

Cybersecurity

UAC-0145 Uses ClickFix CAPTCHAs to Infect Ukrainian Devices wih Malware

July 19, 2026 Blogmaster

Russian state-sponsored threat actors have been observed leveraging the infamous ClickFix strategy to trick Ukrainian targets into infecting their own machines with data-stealing malware. According to the Computer Emergency Response…

Technology

As mosquito ranges expand, better monitoring is key to preventing disease

July 19, 2026 Blogmaster

With summer heat comes pool parties, beach days, backyard cookouts, and, of course, swarms of bloodthirsty mosquitoes. But while insect bites have always been a side effect of time spent…

Technology

This Week In Techdirt History: July 12th – 18th

July 18, 2026 Blogmaster

This Week in 2016 As UK Piracy Falls To Record Lows, Government Still Wants To Put Pirates In Jail For 10 Years Questionable DMCA Takedown Notice Filed Over Post Calling…

Technology

Will AI fix prior authorization—or make it worse?

July 18, 2026 Blogmaster

If you’re like me, you or a loved one has struggled through the process of gaining pre-approval for the medical care that your physician has recommended. Personal stories abound regarding…

Technology

The report oil companies are worried about: Climate attribution science

July 17, 2026 Blogmaster

Climate change is being driven largely by the greenhouse gases we’ve pumped into the atmosphere, which trap more of the Sun’s energy there. That added energy increases the odds of…

Technology

Ars is looking for a senior technology reporter, and you might be it!

July 17, 2026 Blogmaster

If you’re a skilled writer with outsize technology chops who gets excited by the idea of taking the Ars audience with you as you go hands-on with hardware—all kinds of…

Technology

San Francisco orders Apple, Google to remove nudify apps from app stores

July 17, 2026 Blogmaster

This week, San Francisco’s attorney general, David Chiu, sent cease-and-desist letters, demanding that Apple and Google remove 13 so-called nudification apps from their app stores, Wired reported. Nudification apps can…

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Polymath Central

Thoughts and musings of David Greenberg, a polymath

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