In 2025, Udemy hit its first profitable year, but its Q4 2025 ended in a loss. A few days after announcing the numbers, the stock reached an all-time low. The company didn’t have an earnings call, nor did it release an investor presentation because of its pending merger with Coursera. The earnings call would have been helpful to break down the numbers, since the numbers look bleak from an investor’s perspective. The overall revenue has fallen for the first time since the company went public, a

Learn Cyber Threat Intelligence (CTI), threat hunting, and MITRE ATT&CK framework to strengthen your defenses. Real-world APT case studies and understanding attacker TTPs used in modern cyber threats.

Although Class Central lists online courses in 87 languages, courses made in English outnumber all of the others by more than six to one. English is therefore a useful language to know, even though some courses have subtitles in a range of languages. Earlier this year, we updated our list of courses to help improve your writing skills. These courses all assume some fluency in the language. But what if you do not know any English, or your English is very poor? If you do not have convenient acce