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. md , and that they were a systems administrator for sscompany[.]net. SocksEscort[.]com

Malware 195

Malware VPN Internet Internet 195

CyberSecurity Insiders

APRIL 10, 2022

As soon as the government of the United States announced a ban on Russian security software provided by Kaspersky, all the system administrators working across the world searched for the most trusted cybersecurity software companies in the world.

Cybersecurity 104

Cybersecurity Antivirus System Administration Threat Detection 104

The Last Watchdog

AUGUST 15, 2022

Major vulnerabilities left unpatched, as well as weakly configured system administration tools are sure to get discovered and manipulated, not just once, but many times over. Configure system administrative tools more wisely. At this point, there’s little mystery about what companies need to do.

Ransomware 195

Ransomware System Administration Cyber Attacks Hacking 195

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

Krebs on Security

JUNE 10, 2022

At the outset of their federal criminal trial for hijacking vast swaths of Internet addresses for use in large-scale email spam campaigns, three current or former executives at online advertising firm Adconion Direct (now Amobee ) have pleaded guilty to lesser misdemeanor charges of fraud and misrepresentation via email.

Government 245

Government Marketing Internet Internet 245

Krebs on Security

NOVEMBER 8, 2021

If it sounds unlikely that a normal Internet user could make millions of dollars unmasking the identities of REvil gang members, take heart and consider that the two men indicted as part this law enforcement action do not appear to have done much to separate their cybercriminal identities from their real-life selves.

Ransomware 282

Ransomware Cybercrime System Administration Passwords 282

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.” ” states the security advisory published by the company.

Internet 98

Internet Internet Ransomware Encryption 98

The Last Watchdog

JUNE 3, 2022

Log4J, aka Log4Shell, refers to a gaping vulnerability that exists in an open-source logging library that’s deeply embedded within servers and applications all across the public Internet. Its function is to record events in a log for a system administrator to review and act upon. Implementing SBOM.

Software 244

Software Internet Internet System Administration 244

Krebs on Security

FEBRUARY 8, 2022

One important item to note this week is that Microsoft announced it will start blocking Internet macros by default in Office. As Andrew Cunningham writes for Ars Technica , under the new regime when files that use macros are downloaded from the Internet, those macros will now be disabled entirely by default.

Authentication 179

Authentication Internet Internet System Administration 179

The Last Watchdog

MARCH 29, 2022

In the early days of the Internet, coders created new programs for the sake of writing good code, then made it available for anyone to use and extend, license free. However, once the commercial Internet took hold, developers began leveraging open-source components far and wide in proprietary systems. Firewalls predate SIEMs.

Firewall 218

Firewall Digital transformation Internet Internet 218

Schneier on Security

DECEMBER 19, 2019

Arbitrary code execution: unauthenticated root shell access through Android Debug Bridge (ADB) leads to arbitrary code execution and system administration (CVE-2019-16273). These are stupid design decisions made by engineers who had no idea how to create a secure system.

IoT 162

IoT Wireless System Administration Encryption 162

Krebs on Security

JULY 14, 2020

” CVE-2020-1350 is just the latest worry for enterprise system administrators in charge of patching dangerous bugs in widely-used software. The Windows Server isn’t the only nasty one addressed this month that malware or malcontents can use to break into systems without any help from users.

DNS 268

DNS Backups System Administration Software 268

Krebs on Security

JUNE 22, 2022

Kloster says he’s worked in many large companies in Omsk as a system administrator, web developer and photographer. The “about me” section of DenisKloster.com says the 35-year-old was born in Omsk, that he got his first computer at age 12, and graduated from high school at 16.

Advertising 253

Advertising Cybercrime System Administration Hacking 253

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.”

Ransomware 206

Ransomware Accountability Cybercrime Backups 206

Webroot

APRIL 2, 2024

While RDP is a powerful tool for remote administration and support, it has also become a favored vector for brute force attacks for several reasons: Widespread use: RDP is commonly used in businesses to enable remote work and system administration.

Cybersecurity 84

Cybersecurity Passwords VPN Authentication 84

Malwarebytes

JANUARY 31, 2024

Malicious ads The ads are displayed via Google searches for popular search terms related to programs used by IT and system administrators. Here, we’re simply observers and looking at the file managers that are open on the internet. In fact, anyone could easily change the files or even delete them.

Malware 82

Malware Hacking System Administration Ransomware 82

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.

Authentication 127

Authentication Cyber Attacks System Administration Internet 127

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.

System Administration 92

System Administration Advertising Internet Internet 92

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.

Ransomware 128

Ransomware System Administration Malware Authentication 128

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 353

Ransomware System Administration Backups Technology 353

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.

DDOS 107

DDOS Internet Internet System Administration 107

Krebs on Security

SEPTEMBER 2, 2019

Federal prosecutors in California have filed criminal charges against four employees of Adconion Direct , an email advertising firm, alleging they unlawfully hijacked vast swaths of Internet addresses and used them in large-scale spam campaigns. HOSTING IN THE WIND.

Media 192

Media Government Marketing Internet 192

Fox IT

AUGUST 15, 2023

This information was shared with the Dutch Institute of Vulnerability Disclosure (DIVD), who were able to notify administrators that they had vulnerable NetScalers exposed to the internet. These two factors combined allow us to scan the internet for webshells with high confidence, without impacting affected NetScalers.

Internet 94

Internet Internet System Administration 94

Malwarebytes

JULY 29, 2021

The attack could force remote Windows systems to reveal password hashes that could then be easily cracked. Microsoft quickly sent out an advisory for system administrators to stop using the now deprecated Windows NT LAN Manager (NTLM) to thwart an attack. PetitPotam. ” New mitigation details.

Authentication 138

Authentication Passwords Encryption System Administration 138

Malwarebytes

SEPTEMBER 14, 2022

Privilege escalation is the act of exploiting a bug, design flaw, or configuration oversight in an operating system or software application to gain elevated access to resources that are normally protected from an application or user. Only systems with the IPSec service running are vulnerable to this attack.

System Administration 89

System Administration Authentication Internet Internet 89

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.

Cybersecurity 90

Cybersecurity Data breaches Backups Firewall 90

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 ]. Protect these accounts with strict network policies [ D3-UAP ].

Telecommunications 99

Telecommunications Authentication Passwords Accountability 99

SiteLock

AUGUST 27, 2021

The researchers posit that nation-state level resources could precompute 1024-bit Diffie-Helman groups, affecting even larger swaths of the internet. Administrators are urged to configure their servers to deny the use of vulnerable Diffie-Helman key exchange algorithms. Could HTTPS Encryption Be Compromised?

Encryption 52

Encryption System Administration Firewall Internet 52

CyberSecurity Insiders

JANUARY 5, 2022

Innovations from 5G networks to Internet of Things (IoT) devices are transforming how we connect and assemble data networks, in turn enabling new medical solutions. These innovations power information systems, a market expected to reach $39.7 billion in value by 2025. For instance, the Michael J.

Healthcare 136

Healthcare Artificial Intelligence Computers and Electronics Technology 136

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. . The Malware Threat behind CurveBall.

System Administration 92

System Administration Malware Advertising Risk 92

The Last Watchdog

JUNE 2, 2021

PKI is the authentication and encryption framework on which the Internet is built. It works by issuing digital certificates to verify the authenticity of the servers ingesting the data trickling in from our smartphones, Internet of Things sensors and the like. I’ll keep watch, and keep reporting.

Encryption 126

Encryption Artificial Intelligence IoT Data collection 126

Malwarebytes

JUNE 15, 2022

Today, the Internet Explorer (IE) 11 desktop application goes out of support and will be retired for certain versions of Windows 10. Microsoft’s Internet Explorer 1.0 With Windows 10, Edge became the default Microsoft browser, but Internet Explorer could still be found in the Windows Accessories folder. Not so much.

Internet 98

Internet Internet System Administration IoT 98

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.

IoT 97

IoT Cryptocurrency Malware System Administration 97

The Last Watchdog

MARCH 4, 2019

For instance, major vulnerability was discovered lurking in the GNU C Library, or GLIBC, an open source component that runs deep inside of Linux operating systems used widely in enterprise settings. GLIBC keeps common code in one place, thus making it easier for multiple programs to connect to the company network and to the Internet.

Hacking 176

Hacking Energy and Utilities System Administration Accountability 176

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.”

Hacking 92

Hacking Firmware Media Authentication 92

SecureList

OCTOBER 13, 2022

In addition, manual mitigation steps can be undertaken by system administrators to prevent successful exploitation (see below). These credentials can be used to regain access to the server if the administrative panel is accessible from the internet.

System Administration 121

System Administration Malware Passwords Internet 121

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.

Malware 113

Malware Government Passwords System Administration 113