Krebs on Security

JULY 25, 2023

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. Usually, these users have no idea their systems are compromised. SocksEscort[.]com

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Malware VPN Internet Internet 237

Krebs on Security

JUNE 9, 2020

City officials now say they plan to pay the ransom demand, in hopes of keeping the personal data of their citizens off of the Internet. Nevertheless, on Friday, June 5, the intruders sprang their attack, deploying ransomware and demanding nearly $300,000 worth of bitcoin.

Ransomware 363

Ransomware System Administration Backups Technology 363

Security Affairs

SEPTEMBER 3, 2019

. “ our research has uncovered new vulnerabilities, which we collectively dubbed USBAnywhere , in the baseboard management controllers (BMCs) of Supermicro servers, which can allow an attacker to easily connect to a server and virtually mount any USB device of their choosing to the server, remotely over any network including the Internet.”

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Hacking Firmware Media Authentication 110

Malwarebytes

JANUARY 31, 2024

The threat actors seem to have a preference for hosting their payloads on compromised WordPress sites, many of which are already hacked with malicious PHP shell scripts. Malicious ads The ads are displayed via Google searches for popular search terms related to programs used by IT and system administrators.

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Malware Hacking System Administration Ransomware 94

Security Affairs

MARCH 1, 2019

“Mail server, domain administrator and system administrator accounts were all affected, giving cyberespions access to the past and current passwords of more than 2,000 ICAO system users. The hackers scan the Internet for vulnerable servers that could lead to compromising valuable targets. “In

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The Last Watchdog

AUGUST 12, 2024

For starters the ring is aimed at system administrators and senior executives, but could eventually go mainstream. based Black Girls Hack and London-based Security Blue Team. Acohido is dedicated to fostering public awareness about how to make the Internet as private and secure as it ought to be.

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Software Technology Mobile Cybersecurity 290

The Last Watchdog

JUNE 23, 2021

Here are the key takeaways: Lower-tier hacks. No organization wants to find itself having to recover from a devastating ransomware hack – or dealing with an unauthorized intruder who has usurped control of its operational systems. But that only served as a dinner bell to criminal hacking rings.

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Krebs on Security

SEPTEMBER 30, 2023

“The command requires Windows system administrators,” Truniger’s ads explained. Semen-7907 registered at Tunngle from the Internet address 31.192.175[.]63 “Experience in backup, increase privileges, mikicatz, network. Details after contacting on jabber: truniger@xmpp[.]jp.”

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Ransomware Accountability Cybercrime Backups 277

Security Affairs

JANUARY 7, 2022

. “Ransomware and brute-force attacks have been widely targeting all networking devices, and the most vulnerable victims will be those devices exposed to the Internet without any protection. “Check whether your NAS is exposed to the Internet.” SecurityAffairs – hacking, QNAP NAS ). Pierluigi Paganini.

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Ransomware Internet Internet Encryption 105

Security Affairs

AUGUST 9, 2021

The Taiwanese company urges its customers to enable multi-factor authentication where available, enable auto block and account protection, and to use string administrative credentials, . System administrators that have noticed suspicious activity on their devices should report it to Synology technical support.

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Security Affairs

JANUARY 21, 2020

Many system administrators and companies were rushing to update internet exposed machines, like web servers or gateways, worried about possible remote code execution, reviving the EternalBlue /WannaCry crisis in their mind. . SecurityAffairs – Curveball, hacking). The Malware Threat behind CurveBall.

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Security Affairs

MARCH 11, 2020

Microsoft’s Patch Tuesday updates for March 2020 address 115 vulnerabilities, 26 issues affecting Windows, Word, Dynamics Business Central, Edge, and Internet Explorer have been rated as critical severity. Microsoft’s Patch Tuesday updates for March 2020 address 115 vulnerabilities, 26 issues have been rated as critical severity.

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System Administration Advertising Internet Internet 129

Security Affairs

MARCH 16, 2022

No wonder Russia has been preparing to cut itself off from the global internet, hoping to move key government institutions to a sovereign Runet – a pan-Russian web limited to the Federation – to make them less prone to cyber attacks. Ideally, VNC should be used only with authenticated users, such as system administrators.

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Authentication Cyber Attacks System Administration Internet 138

Security Affairs

AUGUST 4, 2020

The CISA agency provides recommendations for system administrators and owners to enhance the level of security of their organizations: Maintain up-to-date antivirus signatures and engines. Keep operating system patches up-to-date. Scan all software downloaded from the Internet prior to executing. Pierluigi Paganini.

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Malware Government Passwords Advertising 139

Security Affairs

MARCH 10, 2020

“They exhibit extensive knowledge of systems administration and common network security misconfigurations, perform thorough reconnaissance, and adapt to what they discover in a compromised network.” SecurityAffairs – hacking, Human-operated ransomare). ” reads the post published by Microsoft.

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Ransomware Cybercrime Social Engineering Banking 144

The Last Watchdog

MARCH 30, 2020

Related: Micro-segmentation taken to the personal device level The flip side, of course, is that an already wide-open attack surface – one that has been getting plundered for the past two decades by criminal hacking groups — is getting scaled up, as well. It gives system administrators a way to secure each microsegment, separately.

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Firewall Marketing Digital transformation Cloud Migration 149

Security Affairs

OCTOBER 17, 2018

The exploitation of this vulnerability could cause major problems on the Internet. million servers running RPCBIND on the Internet. “We then decided to open a server with port 111 exposed on the Internet, with the same characteristics as those who were attacking us and we were monitoring that server for weeks.

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Security Affairs

AUGUST 19, 2019

Webmin is an open-source web-based interface for system administration for Linux and Unix. Searching with Shodan for internet-exposed Webmin installs, it is possible to find over 217,000 instances, most of them located in the United States, France and Germany. SecurityAffairs – Webmin, hacking). Pierluigi Paganini.

Passwords 104

Passwords System Administration Advertising DNS 104

Security Affairs

OCTOBER 28, 2018

The Center for Internet Security (CIS) has a reference that can help system administrators and security teams establish a benchmark to secure their Docker engine. Security Affairs – Docker APIs, hacking). Ensure that container images are authenticated, signed, and from a trusted registry (i.e., Pierluigi Paganini.

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Engineering Cryptocurrency Advertising System Administration 110

Security Affairs

SEPTEMBER 2, 2019

Cashdollar explained that threat actors started scanning the Internet for Intel systems that would accept files over SSH port 22 to maximize their efforts. Summarizing, crooks extended the list of targets passing from Arm and MIPS-powered devices to Intel systems. . ” Cashdollar concludes.

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IoT Cryptocurrency Malware Advertising 111

Security Affairs

FEBRUARY 10, 2019

“They all come with a default username and “1234” as the default password, which is rarely changed by system administrators.” SecurityAffairs – refrigeration systems, hacking). The post Thousands of RDM refrigeration systems exposed online are at risk appeared first on Security Affairs.

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Risk Passwords Advertising System Administration 108

Security Affairs

APRIL 26, 2021

. “According to the affidavit, foreign law enforcement agents, working in coordination with the FBI, gained lawful access to Emotet servers located overseas and identified the Internet Protocol addresses of approximately 1.6 SecurityAffairs – hacking, Emotet). ” stated the DoJ. . Pierluigi Paganini.

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Malware Banking System Administration Hacking 110

The Last Watchdog

NOVEMBER 12, 2018

Ransomware, business email compromises and direct ACH system hacks continue to morph and intensify. Many companies are taking it a step further, selecting certain techies to also receive advanced training and pursue specialty CompTIA certifications in disciplines such as ethical hacking and penetration testing.

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Penetration Testing System Administration Cybersecurity Ransomware 133

Security Affairs

JUNE 8, 2022

Isolate Internet-facing services in a network Demilitarized Zone (DMZ) to reduce the exposure of the internal network [ D3-NI ]. Enable robust logging of Internet-facing services and monitor the logs for signs of compromise [ D3-NTA ] [ D3-PM ]. SecurityAffairs – hacking, China-linked threat actors). Pierluigi Paganini.

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Telecommunications Authentication Passwords Accountability 100

SecureList

OCTOBER 20, 2021

Many used browsers that they were accustomed to, not browsers of choice, or default browsers set by organizations, such as the Internet Explorer. It could be compromised directly or by hacking the account of someone with access to the website management. The year 2016 saw banks in Russia hacked one after another.

Cybercrime 145

Cybercrime Banking Malware Ransomware 145

Security Boulevard

MAY 3, 2023

The software, used by system administrators to manage and configure networks, was communicating externally with an unfamiliar system on the internet. The DOJ asked the security firm Mandiant to help determine whether the server had been hacked.

System Administration 52

System Administration Software Internet Internet 52

The Last Watchdog

NOVEMBER 28, 2018

Both were well-equipped to teach, test and train individuals ranging from teen-agers and non-technical adults, to working system administrators and even seasoned tech security pros. The Ann Arbor-based nonprofit began as a partnership among three state universities in 1966 and is one of the original building blocks of the Internet.

Cybersecurity 140

Cybersecurity System Administration Manufacturing Hacking 140

CyberSecurity Insiders

SEPTEMBER 24, 2021

One of the most vulnerable areas that hackers use to infiltrate a company’s system is the network. The Internet network is vulnerable as cybercriminals are lurking online, waiting to intercept loopholes for hacking systems. Company systems require various software programs to function. Data Security.

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Security Affairs

NOVEMBER 21, 2019

The Roboto botnet spreads by compromising systems by exploiting the Webmin RCE vulnerability tracked as CVE-2019-15107 to drop its downloader module on Linux servers running vulnerable installs. Webmin is an open-source web-based interface for system administration for Linux and Unix.

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DDOS Advertising System Administration DNS 107

ForAllSecure

MAY 26, 2022

Is hacking a crime? Bryan McAninch (Aph3x) talks about his organization, Hacking Is Not A Crime , and the ethical line it draws on various hacking activities. I used to hack the phone company quite a bit. I was like living in our systems for years and I want to get in some trouble for that.

Hacking 52

Hacking Technology InfoSec Media 52

eSecurity Planet

JULY 6, 2021

Kaseya’s flagship product is a remote monitoring and management (RMM) solution called the Virtual Systems Administrator (VSA) and is the product at the center of the current attack. When administrators noticed suspicious behavior on Friday, Kaseya shut down VSA. VSA server breached. Backup data regularly.

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Ransomware Software B2B System Administration 122

Security Affairs

MARCH 14, 2023

The gang leverages exposed remote administration services and internet-facing vulnerabilities to gain and maintain access to victim networks. Makop gang did not conduct any significative retooling since 2020, which is a clear indicator of their effectiveness even after three years and hundreds of successful compromises.

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Ransomware Software System Administration Encryption 98

SecureList

NOVEMBER 14, 2022

Looking back at past leaks of private companies providing such services, such as in the case of Hacking Team, we learned that many states all over the world were buying these capabilities, whether to complement their in-house technologies or as a stand-alone solution they couldn’t develop. Hack-and-leak is the new black (and bleak).

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Firmware Surveillance Mobile Telecommunications 129

The Security Ledger

MAY 16, 2024

For Hacking. Today, malicious actors from cybercriminal ransomware gangs to nation-state affiliated hacking groups are teeing up vulnerable operational technology (OT) environments.

CSO 59

CSO Risk Energy and Utilities Social Engineering 59

IT Security Guru

JANUARY 12, 2021

IoT (Internet of Things) Security. System Administrator (or, sysadmin). Hang out with the folk in the Reddit communities , ask them specific questions, and put on your ethical hacking skills to test—to check if you are really cut out for a long-term commitment in cybersecurity. Secure Software Development. Secure DevOps.

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Cybersecurity Government IoT Penetration Testing 88

McAfee

OCTOBER 4, 2021

I started to learn more about how the Internet worked and one thing led to the other. When I was introduced to Linux, I immediately fell in love with it, and this increased my curiosity.

InfoSec 83

InfoSec System Administration Cybersecurity Engineering 83

Security Boulevard

SEPTEMBER 24, 2021

One could argue more Windows logs need to be preserved, but that would simply mean archiving the from the C: drive onto the D: drive, not that you need to connect to the Internet to centrally log files. If CISA still has it in their recommendations for election systems, then CISA is wrong. Credential Management. It’s not true.

Software 110

Software Computers and Electronics Accountability Firewall 110