Tag

Botnets

All articles tagged with #botnets

technology1 month ago•4 min saved

Russia-backed hackers weaponize home routers, US issues router-security advisory

The US government warns that Russia-state hackers are compromising home and small-office routers to conceal attacks on critical infrastructure, exploiting weak SNMP configurations and default credentials to turn devices into exit nodes; the advisory urges disabling SNMP versions 1 and 2 (or SNMP entirely), using SNMPv3 if needed, disabling Cisco Smart Install, and maintaining strong passwords along with regular firmware updates to reduce risk.

via Ars Technica|

#botnets #cisa #cybersecurity

cybersecurity4 months ago•10 min saved

China-Nexus Botnets Pivot to Global Covert Device Networks

Joint NCSC-UK advisory warns that China-nexus actors increasingly rely on large, dynamic networks of compromised devices—primarily SOHO routers and IoT gear—to conduct reconnaissance, malware delivery, C2, and data exfiltration, enabling operations at scale with limited attribution. Because these covert networks are constantly updated and may be shared by multiple actors, static IP blocks are less effective. Defenders should map and baseline edge devices, enable MFA for remote access, apply zero-trust and machine certificates, reduce internet-facing exposure, and use threat feeds, NetFlow, and dynamic blocklists; pursue active hunting for suspected covert-network activity, and follow Cyber Essentials plus MITRE ATT&CK-aligned defenses. Basic best practices—keep systems updated, prevent lateral movement, log events, deploy host-based IDS, and manage supply-chain risk—remain essential.

via CISA (.gov)|

#botnets #china-nexus #covert-networks

security6 months ago•4 min saved

Google halts large-scale IPIDEA residential proxy network tied to malware

Google Threat Intelligence Group and partners disrupted IPIDEA's large residential proxy network, seizing domains and exposing trojanized Android apps and Windows binaries that turned devices into exit nodes used by thousands of threat groups for credential theft, account takeovers, and DDoS; IPIDEA operated about 19 brands under a two-tier C2 with ~7,400 second-tier servers; Google Play Protect now blocks IPIDEA SDKs; no arrests reported; users should avoid dubious free VPN/proxy apps.

via BleepingComputer|

#botnets #cybersecurity #google-threat-intelligence

technology7 months ago•5 min saved

KrebsOnSecurity.com Celebrates 16 Years of Cybersecurity Insights

KrebsOnSecurity.com celebrates its 16th anniversary by highlighting its recent coverage on cybercrime, including sanctions against cybercriminal entities, major phishing and DDoS attacks, and the rise of powerful botnets like Aisuru and Kimwolf, with plans to investigate Kimwolf's origins in 2026. The site thanks its readers and encourages support through ads and newsletter subscriptions.

via Krebs on Security|

#botnets #cybercrime #cybersecurity

cybersecurity3 years ago•1 min saved

Microsoft Confirms Cyberattacks Caused June Service Outages

Microsoft has confirmed that the June outage of Outlook was due to a Distributed Denial-of-Service (DDoS) attack, which targeted OSI layer 7. The attack was carried out by a group called Anonymous Sudan, using botnets and tools from multiple cloud services and open proxy infrastructures. Microsoft has offered recommendations for guarding against such attacks in the future and believes the attackers were focused on disruption and publicity. It's not clear how large traffic bursts were in the attack.

via The Verge|

#anonymous-sudan #botnets #cybersecurity

technology3 years ago•2 min saved

Elon Musk's Twitter Bounty and Dreams of a $250 Billion Valuation

Elon Musk appeared to offer a $1 million bounty to help find the source of "botnets" on Twitter, which are allegedly targeting reputation scores. A user identified a negative feedback loop in Twitter's algorithm that hurts accounts if blocked. Musk plans to increase the amplification of tweets from verified accounts, in a bid to boost subscriptions to Twitter Blue and revenues. Twitter also released coding information that showed how it recommended tweets to followers on the For You feed.

via Yahoo! Voices|

#algorithm #botnets #cybersecurity

technology3 years ago•2 min saved

Elon Musk's Twitter Bounty and Dreams

Elon Musk appeared to offer a $1 million bounty to help find the source of "botnets" on Twitter. A user identified a negative feedback loop in Twitter's algorithm that hurts accounts if blocked. The user said by taking control of several accounts, botnets were able to suppress certain accounts by mass blocking, unfollowing, and reporting them. Musk plans to increase the amplification of tweets from verified accounts, in a bid to boost subscriptions to Twitter Blue and revenues.

via Business Insider|

#algorithm #botnets #cybersecurity