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André Barreto dos Santos
Jan 182 min read
Critical Vulnerability: Fortinet Firewalls suffer successful attacks. Thousands of networks vulnerable.
Critical Vulnerability: Fortinet Firewalls suffer successful attacks. Thousands of networks vulnerable.
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André Barreto dos Santos
Dec 1, 20242 min read
Over 2,000 Palo Alto Firewalls Compromised by Critical Vulnerabilities! Stealth technology is an alternative against Zero Day attacks.
Over 2,000 Palo Alto Firewalls Compromised by Critical Vulnerabilities! Stealth technology is an alternative against Zero Day attacks.
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André Barreto dos Santos
Oct 5, 20243 min read
Largest DDoS attack in history: Another accurate prediction from NetSensor! Alert issued 15 days before attack.
Largest DDoS attack in history: Another accurate prediction from NetSensor! Alert issued 15 days before attack.
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André Barreto dos Santos
Sep 20, 20243 min read
The Cyber September 11th
Just as the attacks of September 11, 2001 showed that large, seemingly unshakable physical structures could be brought down.
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André Barreto dos Santos
Sep 17, 20242 min read
DDoS: Artillery being prepared and tested!
Intense and aggressive hacker activity has been identified, carrying out tests with powerful "artillery" for DDoS attacks.
21 views0 comments
André Barreto dos Santos
Aug 30, 20242 min read
Intense hacker movement from Tanzania
Intense hacker movement from Tanzania
"Malware -> Bot -> Botnet -> DDoS", the natural order of this ecosystem.
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André Barreto dos Santos
Jul 24, 20242 min read
Suspicious traffic on Microsoft networks.
Suspicious traffic on Microsoft networks.
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André Barreto dos Santos
Apr 30, 20243 min read
MikroTik under attack, DDoS and Internet Service Providers: What is the relationship?
A new wave of searches for MikroTik devices exposed on the Internet began two weeks ago, more precisely on April 16, and was detected by Net
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André Barreto dos Santos
Apr 26, 20242 min read
Critical vulnerability in Cisco Firewalls (ASA and FTD)!
A NCSC ("National Cyber Security Centre") alertou para 2 vulnerabilidades críticas em firewalls da Cisco ASA e FTD.
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André Barreto dos Santos
Apr 13, 20242 min read
Paloalto firewalls being exploited by attackers: Maximum criticality vulnerability.
Alert Criminals are attacking Paloalto Networks firewalls around the world, exploiting a critical vulnerability that received the highest...
147 views0 comments
André Barreto dos Santos
Feb 16, 20242 min read
New Cyber Threat emerges and seeks targets with remote access services and exposed databases.
A new and worrying threat has recently emerged. It was detected and mapped on our threat intelligence network, HackNet: "we have...
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André Barreto dos Santos
Feb 3, 20243 min read
Hacker Storm: Botnet with more than 50,000 devices and in full expansion activity identified.
NetSensor has detected a growing digital threat through its Threat Intelligence network, HackNet. The company's Threat Intelligence...
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André Barreto dos Santos
Nov 30, 20232 min read
European Union under attack
An increased hacker activity is being identified in the European Union (EU), where we are noticing a series of attempted exploits against...
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André Barreto dos Santos
Nov 27, 20231 min read
Apache ActiveMQ becomes target of Chinese Hackers.
Alert Hackers are looking for targets that are exposing the Apache ActiveMQ messaging service on the Internet. This service has at least...
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André Barreto dos Santos
Oct 25, 20231 min read
Brazil under attack!
NetSensor's warning about a strong wave of attacks against Brazil, which was being detected by the HackNet network since October 14th,...
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André Barreto dos Santos
Oct 21, 20231 min read
Brazil in the crosshairs of Cyber Attacks
We live in a time in which traditional wars, which involve soldiers and physical weapons, are generating another parallel war, Cyber War,...
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André Barreto dos Santos
Oct 9, 20231 min read
Intense hacker movement from Namibia!
NetSensor observed in its intelligence network an intense hacker movement starting from Namibia
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André Barreto dos Santos
Sep 25, 20232 min read
How Hackers Exploit a “Zero Day” Vulnerability
Understand how hackers find and exploit "Zero Day" vulnerabilities. With the proliferation and dispersion of data and systems on the...
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André Barreto dos Santos
Jul 1, 20233 min read
Critical Vulnerabilities in Firewalls are Gateways for Criminals
Vulnerabilidades em Firewalls - E quando sua principal camada de segurança se torna a própria Vulnerabilidade?
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André Barreto dos Santos
Apr 22, 20232 min read
SSH, the "new" old target!
On 04/21, the biggest hacker movement ever seen in the history of HackNet was identified in search of a service. The search for the SSH...
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