Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi. Deleting backups.

Ransomware 143

Ransomware DNS Encryption Backups 143

CyberSecurity Insiders

MARCH 21, 2021

Back in 2018, almost two-thirds of the small businesses suffered from cyber security attacks. . One of the most common mistakes made by small businesses is that they adopt all new IT equipment and computers but leave their internet and Wi-Fi susceptible to external threats. Backup data on Cloud . Ensure Network Security .

Small Business 145

Small Business Cyber Attacks VPN Backups 145

Fox IT

JANUARY 12, 2021

These credentials are used in a credential stuffing or password spraying attack against the victim’s remote services, such as webmail or other internet reachable mail services. This specific document described how to access the internet facing company portal and the web-based VPN client into the company network.

VPN 68

VPN Accountability Passwords DNS 68

SecureList

JANUARY 13, 2022

We reported about the first variant of such software back in 2018, but there were many other samples to be found, which was later reported by the US CISA (Cybersecurity and Infrastructure Security Agency) in 2021. domainhost.dynamic-dns[.]net. domainhost.dynamic-dns[.]net. Persistence Backdoor #2. abiesvc.jp[.]net. coin-squad[.]co.

Cryptocurrency 138

Cryptocurrency Malware Accountability Banking 138

eSecurity Planet

MARCH 25, 2022

Also read : Best Internet Security Suites & Software. Between 2016 and 2018, the malware strain SamSam made brute force RDP attacks an integral part of its attacks on several public organizations. On a Sunday in February 2018, the Colorado CISO’s office set up a temporary server to test a new cloud-based business process.

VPN 120

VPN Software Authentication Encryption 120

Security Boulevard

AUGUST 12, 2022

The CA will issue challenges (DNS or HTTPS) requiring the agent to take an action that demonstrates control over said domain(s). In addition, ACME can make the process of choosing a backup CA a fairly easy one. For that reason, having a backup CA is always a good idea,” he explains in a blog of his. . Anastasios Arampatzis.

Encryption 52

Encryption DNS Backups Internet 52

Security Boulevard

APRIL 4, 2022

The Internet Security Research Group (ISRG) originally designed the ACME protocol for its own Let’s Encrypt certificate service. ACME v2 is the current version of the protocol, published in March 2018. On September 15, 2021, the DNS records for acme-v01.api.letsencrypt.org Today the protocol has become a standard ( RFC 8555 ).

Encryption 52

Encryption Authentication DNS Risk 52