Kelvin Zimmer
303 posts
Cybersecurity columnist, productivity specialist and Marketing Analyst at Lumiun.
How much does it cost to protect your company against ransomware?
Surprisingly, the answer to this question, “How much does it cost to protect your business against ransomware?”, It's simple, easy and objective:…
October 6, 2021
Internet Security Week - Edition No. 84
In edition No. 84 of Internet Security Week, new android malware, Brazilian corporate sites at risk,…
October 4, 2021
Renner case: would the DNS firewall have prevented the ransomware attack?
Renner case: would a DNS firewall solution have prevented the ransomware attack suffered by Lojas Renner…
September 28, 2021
Internet Security Week - Edition No. 83
In edition No. 83 of Internet Security Week, New Trojan Horse, half of the companies have a bank…
September 27, 2021
Does DNS firewall reduce the risk of ransomware attack?
After all, does a DNS firewall reduce the risk of ransomware attacks? This is one of the frequently asked questions when…
September 22, 2021
Internet Security Week - Edition No. 82
In issue 82 of Internet Security Week, serious Microsoft Azure security failure, hackers invade…
September 21, 2021
Internet Security Week – Edition No. 81
In edition 81 of Internet Security Week, Brazilian Banking Trojan, millions of Microsoft servers are…
September 13, 2021
Internet Security Week - Edition No. 80
In edition No. 80 of Internet Security Week, former employee erases 20,000 company files, cyberataques grow…
September 5, 2021
Be careful: complying with the LGPD does not mean absolute protection
You can't be too careful when it comes to your reputation and finances. Although this warning and guidance…
September 1, 2021
Internet Security Week - Edition No. 79
In Edition No. 79 of the Week of Internet Safety, as well as a very special video about the so…
August 30, 2021