Uppdaterad 2023-02-24 15:43 | Publicerad 2023-02-24 15:18 CERT-SE:s veckobrev v.8Även denna vecka har överbelastningsangrepp förekommit i nyhetsrapporteringen. I övrigt ett axplock av de senaste nyheterna samt flera rapporter och fördjupningar på området. Vi passar på att tipsa om vår artikel Råd för att förebygga och hantera överbelastningsangrepp som fick en uppdatering den 21 februari:https://cert.se/2023/02/rad-gallande-forebyggande-och-hantering-av-overbelastningsangreppTrevlig helg önskar CERT-SE! Nyheter i veckanGerman airports hit by DDoS attack (17 feb)https://therecord.media/german-airports-hit-by-ddos-attack-anonymous-russia-claims-responsibility/How Falling Crypto Prices Impacted Cyber Crime (17 feb)https://securityintelligence.com/articles/cryptocurrency-crash-falling-cyber-crime/How hackers can cause physical damage to bridges (17 feb)https://www.helpnetsecurity.com/2023/02/17/how-hackers-can-cause-physical-damage-to-bridges-video/Ministern: ”En omfattande attack” (19 feb)https://www.tv4.se/artikel/55bzxDGFtIfyTQAABqujxu/nya-hackerattacker-mot-sverigeCyberattacker mot flera sajter – SOS Alarm drabbat: ”Påverkar inte larmen” (19 feb)https://sverigesradio.se/artikel/flera-sajter-har-problem-eller-ligger-nere-hackergrupp-sager-sig-ligga-bakomIf you're struggling to secure email forwarding, it's not you, it's ... the protocols (19 feb)https://www.theregister.com/2023/02/19/forwarding_email_security/Lockbit ransomware gang hit the Portuguese municipal water utility Aguas do Porto (20 feb)https://securityaffairs.com/142477/cyber-crime/lockbit-water-utility-aguas-do-porto.htmlCERT-SE vid MSB stödjer verksamheter i pågående överbelastningsangrepp (20 feb)https://www.msb.se/sv/aktuellt/nyheter/2023/februari/cert-se-vid-msb-stodjer-verksamheter-i-pagaende-overbelastningsangrepp/FBI "Contains" Cyber-Incident on its Network (20 feb)https://www.infosecurity-magazine.com/news/fbi-contains-cyberincident-on-its/Microsoft Outlook flooded with spam due to broken email filters (20 feb)https://www.bleepingcomputer.com/news/microsoft/microsoft-outlook-flooded-with-spam-due-to-broken-email-filters/Decoding the Inner Workings of DarkCloud Stealer (20 feb)https://blog.cyble.com/2023/02/20/decoding-the-inner-workings-of-darkcloud-stealer/Cyber Attacks on Data Center Organizations (20 feb)https://www.resecurity.com/blog/article/cyber-attacks-on-data-center-organizationsDNA testing biz vows to improve infosec after criminals break into database it forgot it had (20 feb)https://www.theregister.com/2023/02/20/dna_testing_firm_pays_200k/Stealc: a copycat of Vidar and Raccoon infostealers gaining in popularity (20 feb)https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/Dataintrång på Victoriahem – boende drabbas (21 feb)https://sverigesradio.se/artikel/bostadsbolag-utsatt-for-it-brottFinska Cybersäkerhetscentrets veckoöversikt (21 feb)https://www.kyberturvallisuuskeskus.fi/sv/aktuellt/cybersakerhetscentrets-veckooversikt-72023Sensitive US military emails spill online (21 feb)https://techcrunch.com/2023/02/21/sensitive-united-states-military-emails-spill-online/HardBit Ransomware Offers to Set Ransom Based on Victim’s Cyberinsurance (21 feb)https://www.securityweek.com/hardbit-ransomware-offers-to-set-ransom-based-on-victims-cyberinsurance/...https://www.varonis.com/blog/hardbit-2.0-ransomwareAI Helps Crack NIST-Recommended Post-Quantum Encryption Algorithm (21 feb)https://www.securityweek.com/ai-helps-crack-a-nist-recommended-post-quantum-encryption-algorithm/Accidental WhatsApp account takeovers? It's a thing (21 feb)https://www.theregister.com/2023/02/21/accidental_whatsapp_account_takeover/Fifth of Brits Have Fallen Victim to Online Scammers (21 feb)https://www.infosecurity-magazine.com/news/fifth-brits-have-victim-online/Activision confirms data breach exposing employee and game info (21 feb)https://www.bleepingcomputer.com/news/security/activision-confirms-data-breach-exposing-employee-and-game-info/How NPM Packages Were Used to Spread Phishing Links (21 feb)https://checkmarx.com/blog/how-npm-packages-were-used-to-spread-phishing-links/Överbelastningsangrepp på flera samhällsaktörers webbplatser (22 feb)https://www.ncsc.se/aktuellt/overbelastningsangrepp/Säpo: Oro i omvärlden ökar hotet mot Sveriges säkerhet (22 feb)https://www.svt.se/nyheter/inrikes/sapo-oro-i-omvarlden-okar-hotet-mot-sverigeMost vulnerabilities associated with ransomware are old (22 feb)https://www.helpnetsecurity.com/2023/02/22/vulnerabilities-ransomware-old/Patient data stolen ahead of CentraState cyberattack, impacting 617K (22 feb)https://www.scmagazine.com/news/ransomware/patient-data-stolen-centrastate-cyberattack-impacting-617kNSA shares guidance on how to secure your home network (22 feb)https://www.bleepingcomputer.com/news/security/nsa-shares-guidance-on-how-to-secure-your-home-network/...https://media.defense.gov/2023/Feb/22/2003165170/-1/-1/0/CSI_BEST_PRACTICES_FOR_SECURING_YOUR_HOME_NETW