Today’s Tech Sightings:

FILE – Dell logos are seen at the company’s Cyberjaya offices outside Kuala Lumpur, Malaysia, Sept. 4, 2013. The company has issued a fix after a self-signed certificate that shipped with some of its computers put users at risk. (Reuters)

Dell Apologizes for HTTPS Certificate Fiasco, Provides Removal Tool

Dell has issued an apology after shipping PCs with a certificate that makes it possible for hackers to impersonate HTTPS-protected websites. The company also released a tool that helps users of affected machines remove the faulty security credential. Dell officials said the certificate was not malware, adware, or a personal data-collection tool, but rather a way to help the company assist customers.

Stratasys Puts 3-D Printers to Work for Brain Surgery

Israeli tech firm Stratasys and Buffalo’s Jacobs Institute, a medical research facility, have teamed up to 3-D print models of brain vessel anatomy before surgery. The new technique could help reduce the risks associated with brain surgery.

More Singapore Consumers Fear Tapping Wi-Fi Hotspots

Symantec’s latest Norton Cybersecurity Insights Report found that 69 percent of Singapore consumers, or nearly seven in 10, think accessing free Wi-Fi networks is risky. About 62 percent worried about losing credit card details online while using public networks. And 71 percent believed that making a purchase on a public Wi-Fi network would make them a bigger target for thieves than using their wallet in stores.

Jeff Bezos Sends His First Tweet

Amazon’s CEO Jeff Bezos, who rarely speaks in public, has inaugurated his new Twitter account with a tweet about his private space company’s successful test flight. The company, Blue Origin, tested landing a rocket earlier this year but did not succeed.

The rarest of beasts – a used rocket. Controlled landing not easy, but done right, can look easy. Check out video: https://t.co/9OypFoxZk3

— Jeff Bezos (@JeffBezos) November 24, 2015

More:

• Amazon Force-resets Some Account Passwords, Citing Password Leak

• Google Sayss It Can Reset 75 Percent of Android Phones Remotely

• Nine Ways to Keep Your Windows Computer Safe

• Yahoo Mail Tried to Block Ad Blockers, And It Might Have Backfired

• One Man Spent Four Years and $35,000 to Unmask Internet Troll

• Russian Cyber Crime’s Top Flight ‘Stole $790 Million’