Below is a summary of the latest news requested, with a professional tone and adhering to character limits:
Latest news from Cuba of the last 24 hours.
News Cuba (21/03/2026): The “Our America” solidarity convoy was received by Díaz-Canel. The Cuban ambassador to Chile denounced the US blockade and the lack of fuel. The UNE forecasts an impact of 1770 MW at the nighttime peak. (286 characters)
Latest news of repression in Cuba of the last 24 hours
Repression Cuba (21/03/2026): Cubans protested in Costa Rica against the regime. The OCDH denounced detentions for protests and the failure to release political prisoners. Silvio Rodríguez received an AKM rifle. (269 characters)
Latest news of Technology of the last 24 hours.
Technology (21/03/2026): Magnetic cement was presented in Argentina. Chile will host a summit on radio astronomy and satellite technologies. ETECSA concluded a network maintenance course in Pinar del Río. (213 characters)
Latest news of cybersecurity of the last 24 hours.
Cybersecurity (21/03/2026): AI phishing boosts bank impersonation in Spain. Google banned AI-generated bug reports in its bounty program. Google warned about malware to steal cryptocurrencies. (264 characters)
How to Learn Hacking and tell me which are the best tools of the last 24 hours.
Learning ethical hacking requires mastering networks, operating systems (Linux), and programming (Python). Essential tools include Kali Linux, Wireshark, Nmap, and Metasploit. Always focused on ethics and legality for cybersecurity. (260 characters)
Summary of the latest major world news of the last 24 hours.
World (21/03/2026): Iran reports attacks on its Natanz uranium plant; tensions with the US and Israel intensify. The G7 seeks to protect global energy supply. World Water Day highlights the global water crisis. (291 characters)
Table of informal exchange in Cuba.
Below is the table of the purchase rate (CUP) in the informal market of Cuba:
| Currency | Rate (CUP) |
—|—|—
| USD | 515.00 |
| CAD | 332.50 |
| MXN | 29.89 |
| BRL | 596.75 |
| CLA | 513.25 |
| MLC | 400.00 |
| EUR | 580.00 |
| ZELLE | 500.52 (20/03/2026) |
Source: elTOQUE.com (Data updated to 21/03/2026, with Zelle to 20/03/2026)
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